quick_xml/
escape.rs

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1//! Manage xml character escapes
2
3use memchr::memchr2_iter;
4use std::borrow::Cow;
5use std::ops::Range;
6
7#[cfg(test)]
8use pretty_assertions::assert_eq;
9
10/// Error for XML escape / unescape.
11#[derive(Clone, Debug)]
12pub enum EscapeError {
13    /// Entity with Null character
14    EntityWithNull(Range<usize>),
15    /// Unrecognized escape symbol
16    UnrecognizedSymbol(Range<usize>, String),
17    /// Cannot find `;` after `&`
18    UnterminatedEntity(Range<usize>),
19    /// Cannot convert Hexa to utf8
20    TooLongHexadecimal,
21    /// Character is not a valid hexadecimal value
22    InvalidHexadecimal(char),
23    /// Cannot convert decimal to hexa
24    TooLongDecimal,
25    /// Character is not a valid decimal value
26    InvalidDecimal(char),
27    /// Not a valid unicode codepoint
28    InvalidCodepoint(u32),
29}
30
31impl std::fmt::Display for EscapeError {
32    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
33        match self {
34            EscapeError::EntityWithNull(e) => write!(
35                f,
36                "Error while escaping character at range {:?}: Null character entity not allowed",
37                e
38            ),
39            EscapeError::UnrecognizedSymbol(rge, res) => write!(
40                f,
41                "Error while escaping character at range {:?}: Unrecognized escape symbol: {:?}",
42                rge, res
43            ),
44            EscapeError::UnterminatedEntity(e) => write!(
45                f,
46                "Error while escaping character at range {:?}: Cannot find ';' after '&'",
47                e
48            ),
49            EscapeError::TooLongHexadecimal => write!(f, "Cannot convert hexadecimal to utf8"),
50            EscapeError::InvalidHexadecimal(e) => {
51                write!(f, "'{}' is not a valid hexadecimal character", e)
52            }
53            EscapeError::TooLongDecimal => write!(f, "Cannot convert decimal to utf8"),
54            EscapeError::InvalidDecimal(e) => write!(f, "'{}' is not a valid decimal character", e),
55            EscapeError::InvalidCodepoint(n) => write!(f, "'{}' is not a valid codepoint", n),
56        }
57    }
58}
59
60impl std::error::Error for EscapeError {}
61
62/// Escapes an `&str` and replaces all xml special characters (`<`, `>`, `&`, `'`, `"`)
63/// with their corresponding xml escaped value.
64///
65/// This function performs following replacements:
66///
67/// | Character | Replacement
68/// |-----------|------------
69/// | `<`       | `&lt;`
70/// | `>`       | `&gt;`
71/// | `&`       | `&amp;`
72/// | `'`       | `&apos;`
73/// | `"`       | `&quot;`
74///
75/// This function performs following replacements:
76///
77/// | Character | Replacement
78/// |-----------|------------
79/// | `<`       | `&lt;`
80/// | `>`       | `&gt;`
81/// | `&`       | `&amp;`
82/// | `'`       | `&apos;`
83/// | `"`       | `&quot;`
84pub fn escape(raw: &str) -> Cow<str> {
85    _escape(raw, |ch| matches!(ch, b'<' | b'>' | b'&' | b'\'' | b'\"'))
86}
87
88/// Escapes an `&str` and replaces xml special characters (`<`, `>`, `&`)
89/// with their corresponding xml escaped value.
90///
91/// Should only be used for escaping text content. In XML text content, it is allowed
92/// (though not recommended) to leave the quote special characters `"` and `'` unescaped.
93///
94/// This function performs following replacements:
95///
96/// | Character | Replacement
97/// |-----------|------------
98/// | `<`       | `&lt;`
99/// | `>`       | `&gt;`
100/// | `&`       | `&amp;`
101///
102/// This function performs following replacements:
103///
104/// | Character | Replacement
105/// |-----------|------------
106/// | `<`       | `&lt;`
107/// | `>`       | `&gt;`
108/// | `&`       | `&amp;`
109pub fn partial_escape(raw: &str) -> Cow<str> {
110    _escape(raw, |ch| matches!(ch, b'<' | b'>' | b'&'))
111}
112
113/// XML standard [requires] that only `<` and `&` was escaped in text content or
114/// attribute value. All other characters not necessary to be escaped, although
115/// for compatibility with SGML they also should be escaped. Practically, escaping
116/// only those characters is enough.
117///
118/// This function performs following replacements:
119///
120/// | Character | Replacement
121/// |-----------|------------
122/// | `<`       | `&lt;`
123/// | `&`       | `&amp;`
124///
125/// [requires]: https://www.w3.org/TR/xml11/#syntax
126pub fn minimal_escape(raw: &str) -> Cow<str> {
127    _escape(raw, |ch| matches!(ch, b'<' | b'&'))
128}
129
130/// Escapes an `&str` and replaces a subset of xml special characters (`<`, `>`,
131/// `&`, `'`, `"`) with their corresponding xml escaped value.
132pub(crate) fn _escape<F: Fn(u8) -> bool>(raw: &str, escape_chars: F) -> Cow<str> {
133    let bytes = raw.as_bytes();
134    let mut escaped = None;
135    let mut iter = bytes.iter();
136    let mut pos = 0;
137    while let Some(i) = iter.position(|&b| escape_chars(b)) {
138        if escaped.is_none() {
139            escaped = Some(Vec::with_capacity(raw.len()));
140        }
141        let escaped = escaped.as_mut().expect("initialized");
142        let new_pos = pos + i;
143        escaped.extend_from_slice(&bytes[pos..new_pos]);
144        match bytes[new_pos] {
145            b'<' => escaped.extend_from_slice(b"&lt;"),
146            b'>' => escaped.extend_from_slice(b"&gt;"),
147            b'\'' => escaped.extend_from_slice(b"&apos;"),
148            b'&' => escaped.extend_from_slice(b"&amp;"),
149            b'"' => escaped.extend_from_slice(b"&quot;"),
150
151            // This set of escapes handles characters that should be escaped
152            // in elements of xs:lists, because those characters works as
153            // delimiters of list elements
154            b'\t' => escaped.extend_from_slice(b"&#9;"),
155            b'\n' => escaped.extend_from_slice(b"&#10;"),
156            b'\r' => escaped.extend_from_slice(b"&#13;"),
157            b' ' => escaped.extend_from_slice(b"&#32;"),
158            _ => unreachable!(
159                "Only '<', '>','\', '&', '\"', '\\t', '\\r', '\\n', and ' ' are escaped"
160            ),
161        }
162        pos = new_pos + 1;
163    }
164
165    if let Some(mut escaped) = escaped {
166        if let Some(raw) = bytes.get(pos..) {
167            escaped.extend_from_slice(raw);
168        }
169        // SAFETY: we operate on UTF-8 input and search for an one byte chars only,
170        // so all slices that was put to the `escaped` is a valid UTF-8 encoded strings
171        // TODO: Can be replaced with `unsafe { String::from_utf8_unchecked() }`
172        // if unsafe code will be allowed
173        Cow::Owned(String::from_utf8(escaped).unwrap())
174    } else {
175        Cow::Borrowed(raw)
176    }
177}
178
179/// Unescape an `&str` and replaces all xml escaped characters (`&...;`) into
180/// their corresponding value.
181///
182/// If feature [`escape-html`] is enabled, then recognizes all [HTML5 escapes].
183///
184/// [`escape-html`]: ../index.html#escape-html
185/// [HTML5 escapes]: https://dev.w3.org/html5/html-author/charref
186pub fn unescape(raw: &str) -> Result<Cow<str>, EscapeError> {
187    unescape_with(raw, resolve_predefined_entity)
188}
189
190/// Unescape an `&str` and replaces all xml escaped characters (`&...;`) into
191/// their corresponding value, using a resolver function for custom entities.
192///
193/// If feature [`escape-html`] is enabled, then recognizes all [HTML5 escapes].
194///
195/// Predefined entities will be resolved _after_ trying to resolve with `resolve_entity`,
196/// which allows you to override default behavior which required in some XML dialects.
197///
198/// Character references (`&#hh;`) cannot be overridden, they are resolved before
199/// calling `resolve_entity`.
200///
201/// Note, that entities will not be resolved recursively. In order to satisfy the
202/// XML [requirements] you should unescape nested entities by yourself.
203///
204/// # Example
205///
206/// ```
207/// use quick_xml::escape::resolve_xml_entity;
208/// # use quick_xml::escape::unescape_with;
209/// # use pretty_assertions::assert_eq;
210/// let override_named_entities = |entity: &str| match entity {
211///     // Override standard entities
212///     "lt" => Some("FOO"),
213///     "gt" => Some("BAR"),
214///     // Resolve custom entities
215///     "baz" => Some("&lt;"),
216///     // Delegate other entities to the default implementation
217///     _ => resolve_xml_entity(entity),
218/// };
219///
220/// assert_eq!(
221///     unescape_with("&amp;&lt;test&gt;&baz;", override_named_entities).unwrap(),
222///     "&FOOtestBAR&lt;"
223/// );
224/// ```
225///
226/// [`escape-html`]: ../index.html#escape-html
227/// [HTML5 escapes]: https://dev.w3.org/html5/html-author/charref
228/// [requirements]: https://www.w3.org/TR/xml11/#intern-replacement
229pub fn unescape_with<'input, 'entity, F>(
230    raw: &'input str,
231    mut resolve_entity: F,
232) -> Result<Cow<'input, str>, EscapeError>
233where
234    // the lifetime of the output comes from a capture or is `'static`
235    F: FnMut(&str) -> Option<&'entity str>,
236{
237    let bytes = raw.as_bytes();
238    let mut unescaped = None;
239    let mut last_end = 0;
240    let mut iter = memchr2_iter(b'&', b';', bytes);
241    while let Some(start) = iter.by_ref().find(|p| bytes[*p] == b'&') {
242        match iter.next() {
243            Some(end) if bytes[end] == b';' => {
244                // append valid data
245                if unescaped.is_none() {
246                    unescaped = Some(String::with_capacity(raw.len()));
247                }
248                let unescaped = unescaped.as_mut().expect("initialized");
249                unescaped.push_str(&raw[last_end..start]);
250
251                // search for character correctness
252                let pat = &raw[start + 1..end];
253                if let Some(entity) = pat.strip_prefix('#') {
254                    let codepoint = parse_number(entity, start..end)?;
255                    unescaped.push_str(codepoint.encode_utf8(&mut [0u8; 4]));
256                } else if let Some(value) = resolve_entity(pat) {
257                    unescaped.push_str(value);
258                } else {
259                    return Err(EscapeError::UnrecognizedSymbol(
260                        start + 1..end,
261                        pat.to_string(),
262                    ));
263                }
264
265                last_end = end + 1;
266            }
267            _ => return Err(EscapeError::UnterminatedEntity(start..raw.len())),
268        }
269    }
270
271    if let Some(mut unescaped) = unescaped {
272        if let Some(raw) = raw.get(last_end..) {
273            unescaped.push_str(raw);
274        }
275        Ok(Cow::Owned(unescaped))
276    } else {
277        Ok(Cow::Borrowed(raw))
278    }
279}
280
281/// Resolves predefined XML entities or all HTML5 entities depending on the feature
282/// [`escape-html`](https://docs.rs/quick-xml/latest/quick_xml/#escape-html).
283///
284/// Behaves like [`resolve_xml_entity`] if feature is not enabled and as
285/// [`resolve_html5_entity`] if enabled.
286#[inline]
287pub fn resolve_predefined_entity(entity: &str) -> Option<&'static str> {
288    #[cfg(not(feature = "escape-html"))]
289    {
290        resolve_xml_entity(entity)
291    }
292
293    #[cfg(feature = "escape-html")]
294    {
295        resolve_html5_entity(entity)
296    }
297}
298
299/// Resolves predefined XML entities. If specified entity is not a predefined XML
300/// entity, `None` is returned.
301///
302/// The complete list of predefined entities are defined in the [specification].
303///
304/// ```
305/// # use quick_xml::escape::resolve_xml_entity;
306/// # use pretty_assertions::assert_eq;
307/// assert_eq!(resolve_xml_entity("lt"), Some("<"));
308/// assert_eq!(resolve_xml_entity("gt"), Some(">"));
309/// assert_eq!(resolve_xml_entity("amp"), Some("&"));
310/// assert_eq!(resolve_xml_entity("apos"), Some("'"));
311/// assert_eq!(resolve_xml_entity("quot"), Some("\""));
312///
313/// assert_eq!(resolve_xml_entity("foo"), None);
314/// ```
315///
316/// [specification]: https://www.w3.org/TR/xml11/#sec-predefined-ent
317pub fn resolve_xml_entity(entity: &str) -> Option<&'static str> {
318    // match over strings are not allowed in const functions
319    let s = match entity.as_bytes() {
320        b"lt" => "<",
321        b"gt" => ">",
322        b"amp" => "&",
323        b"apos" => "'",
324        b"quot" => "\"",
325        _ => return None,
326    };
327    Some(s)
328}
329
330/// Resolves all HTML5 entities. For complete list see <https://dev.w3.org/html5/html-author/charref>.
331pub fn resolve_html5_entity(entity: &str) -> Option<&'static str> {
332    // imported from https://dev.w3.org/html5/html-author/charref
333    // match over strings are not allowed in const functions
334    //TODO: automate up-to-dating using https://html.spec.whatwg.org/entities.json
335    let s = match entity.as_bytes() {
336        b"Tab" => "\u{09}",
337        b"NewLine" => "\u{0A}",
338        b"excl" => "\u{21}",
339        b"quot" | b"QUOT" => "\u{22}",
340        b"num" => "\u{23}",
341        b"dollar" => "\u{24}",
342        b"percnt" => "\u{25}",
343        b"amp" | b"AMP" => "\u{26}",
344        b"apos" => "\u{27}",
345        b"lpar" => "\u{28}",
346        b"rpar" => "\u{29}",
347        b"ast" | b"midast" => "\u{2A}",
348        b"plus" => "\u{2B}",
349        b"comma" => "\u{2C}",
350        b"period" => "\u{2E}",
351        b"sol" => "\u{2F}",
352        b"colon" => "\u{3A}",
353        b"semi" => "\u{3B}",
354        b"lt" | b"LT" => "\u{3C}",
355        b"equals" => "\u{3D}",
356        b"gt" | b"GT" => "\u{3E}",
357        b"quest" => "\u{3F}",
358        b"commat" => "\u{40}",
359        b"lsqb" | b"lbrack" => "\u{5B}",
360        b"bsol" => "\u{5C}",
361        b"rsqb" | b"rbrack" => "\u{5D}",
362        b"Hat" => "\u{5E}",
363        b"lowbar" => "\u{5F}",
364        b"grave" | b"DiacriticalGrave" => "\u{60}",
365        b"lcub" | b"lbrace" => "\u{7B}",
366        b"verbar" | b"vert" | b"VerticalLine" => "\u{7C}",
367        b"rcub" | b"rbrace" => "\u{7D}",
368        b"nbsp" | b"NonBreakingSpace" => "\u{A0}",
369        b"iexcl" => "\u{A1}",
370        b"cent" => "\u{A2}",
371        b"pound" => "\u{A3}",
372        b"curren" => "\u{A4}",
373        b"yen" => "\u{A5}",
374        b"brvbar" => "\u{A6}",
375        b"sect" => "\u{A7}",
376        b"Dot" | b"die" | b"DoubleDot" | b"uml" => "\u{A8}",
377        b"copy" | b"COPY" => "\u{A9}",
378        b"ordf" => "\u{AA}",
379        b"laquo" => "\u{AB}",
380        b"not" => "\u{AC}",
381        b"shy" => "\u{AD}",
382        b"reg" | b"circledR" | b"REG" => "\u{AE}",
383        b"macr" | b"OverBar" | b"strns" => "\u{AF}",
384        b"deg" => "\u{B0}",
385        b"plusmn" | b"pm" | b"PlusMinus" => "\u{B1}",
386        b"sup2" => "\u{B2}",
387        b"sup3" => "\u{B3}",
388        b"acute" | b"DiacriticalAcute" => "\u{B4}",
389        b"micro" => "\u{B5}",
390        b"para" => "\u{B6}",
391        b"middot" | b"centerdot" | b"CenterDot" => "\u{B7}",
392        b"cedil" | b"Cedilla" => "\u{B8}",
393        b"sup1" => "\u{B9}",
394        b"ordm" => "\u{BA}",
395        b"raquo" => "\u{BB}",
396        b"frac14" => "\u{BC}",
397        b"frac12" | b"half" => "\u{BD}",
398        b"frac34" => "\u{BE}",
399        b"iquest" => "\u{BF}",
400        b"Agrave" => "\u{C0}",
401        b"Aacute" => "\u{C1}",
402        b"Acirc" => "\u{C2}",
403        b"Atilde" => "\u{C3}",
404        b"Auml" => "\u{C4}",
405        b"Aring" => "\u{C5}",
406        b"AElig" => "\u{C6}",
407        b"Ccedil" => "\u{C7}",
408        b"Egrave" => "\u{C8}",
409        b"Eacute" => "\u{C9}",
410        b"Ecirc" => "\u{CA}",
411        b"Euml" => "\u{CB}",
412        b"Igrave" => "\u{CC}",
413        b"Iacute" => "\u{CD}",
414        b"Icirc" => "\u{CE}",
415        b"Iuml" => "\u{CF}",
416        b"ETH" => "\u{D0}",
417        b"Ntilde" => "\u{D1}",
418        b"Ograve" => "\u{D2}",
419        b"Oacute" => "\u{D3}",
420        b"Ocirc" => "\u{D4}",
421        b"Otilde" => "\u{D5}",
422        b"Ouml" => "\u{D6}",
423        b"times" => "\u{D7}",
424        b"Oslash" => "\u{D8}",
425        b"Ugrave" => "\u{D9}",
426        b"Uacute" => "\u{DA}",
427        b"Ucirc" => "\u{DB}",
428        b"Uuml" => "\u{DC}",
429        b"Yacute" => "\u{DD}",
430        b"THORN" => "\u{DE}",
431        b"szlig" => "\u{DF}",
432        b"agrave" => "\u{E0}",
433        b"aacute" => "\u{E1}",
434        b"acirc" => "\u{E2}",
435        b"atilde" => "\u{E3}",
436        b"auml" => "\u{E4}",
437        b"aring" => "\u{E5}",
438        b"aelig" => "\u{E6}",
439        b"ccedil" => "\u{E7}",
440        b"egrave" => "\u{E8}",
441        b"eacute" => "\u{E9}",
442        b"ecirc" => "\u{EA}",
443        b"euml" => "\u{EB}",
444        b"igrave" => "\u{EC}",
445        b"iacute" => "\u{ED}",
446        b"icirc" => "\u{EE}",
447        b"iuml" => "\u{EF}",
448        b"eth" => "\u{F0}",
449        b"ntilde" => "\u{F1}",
450        b"ograve" => "\u{F2}",
451        b"oacute" => "\u{F3}",
452        b"ocirc" => "\u{F4}",
453        b"otilde" => "\u{F5}",
454        b"ouml" => "\u{F6}",
455        b"divide" | b"div" => "\u{F7}",
456        b"oslash" => "\u{F8}",
457        b"ugrave" => "\u{F9}",
458        b"uacute" => "\u{FA}",
459        b"ucirc" => "\u{FB}",
460        b"uuml" => "\u{FC}",
461        b"yacute" => "\u{FD}",
462        b"thorn" => "\u{FE}",
463        b"yuml" => "\u{FF}",
464        b"Amacr" => "\u{10}",
465        b"amacr" => "\u{10}",
466        b"Abreve" => "\u{10}",
467        b"abreve" => "\u{10}",
468        b"Aogon" => "\u{10}",
469        b"aogon" => "\u{10}",
470        b"Cacute" => "\u{10}",
471        b"cacute" => "\u{10}",
472        b"Ccirc" => "\u{10}",
473        b"ccirc" => "\u{10}",
474        b"Cdot" => "\u{10}",
475        b"cdot" => "\u{10}",
476        b"Ccaron" => "\u{10}",
477        b"ccaron" => "\u{10}",
478        b"Dcaron" => "\u{10}",
479        b"dcaron" => "\u{10}",
480        b"Dstrok" => "\u{11}",
481        b"dstrok" => "\u{11}",
482        b"Emacr" => "\u{11}",
483        b"emacr" => "\u{11}",
484        b"Edot" => "\u{11}",
485        b"edot" => "\u{11}",
486        b"Eogon" => "\u{11}",
487        b"eogon" => "\u{11}",
488        b"Ecaron" => "\u{11}",
489        b"ecaron" => "\u{11}",
490        b"Gcirc" => "\u{11}",
491        b"gcirc" => "\u{11}",
492        b"Gbreve" => "\u{11}",
493        b"gbreve" => "\u{11}",
494        b"Gdot" => "\u{12}",
495        b"gdot" => "\u{12}",
496        b"Gcedil" => "\u{12}",
497        b"Hcirc" => "\u{12}",
498        b"hcirc" => "\u{12}",
499        b"Hstrok" => "\u{12}",
500        b"hstrok" => "\u{12}",
501        b"Itilde" => "\u{12}",
502        b"itilde" => "\u{12}",
503        b"Imacr" => "\u{12}",
504        b"imacr" => "\u{12}",
505        b"Iogon" => "\u{12}",
506        b"iogon" => "\u{12}",
507        b"Idot" => "\u{13}",
508        b"imath" | b"inodot" => "\u{13}",
509        b"IJlig" => "\u{13}",
510        b"ijlig" => "\u{13}",
511        b"Jcirc" => "\u{13}",
512        b"jcirc" => "\u{13}",
513        b"Kcedil" => "\u{13}",
514        b"kcedil" => "\u{13}",
515        b"kgreen" => "\u{13}",
516        b"Lacute" => "\u{13}",
517        b"lacute" => "\u{13}",
518        b"Lcedil" => "\u{13}",
519        b"lcedil" => "\u{13}",
520        b"Lcaron" => "\u{13}",
521        b"lcaron" => "\u{13}",
522        b"Lmidot" => "\u{13}",
523        b"lmidot" => "\u{14}",
524        b"Lstrok" => "\u{14}",
525        b"lstrok" => "\u{14}",
526        b"Nacute" => "\u{14}",
527        b"nacute" => "\u{14}",
528        b"Ncedil" => "\u{14}",
529        b"ncedil" => "\u{14}",
530        b"Ncaron" => "\u{14}",
531        b"ncaron" => "\u{14}",
532        b"napos" => "\u{14}",
533        b"ENG" => "\u{14}",
534        b"eng" => "\u{14}",
535        b"Omacr" => "\u{14}",
536        b"omacr" => "\u{14}",
537        b"Odblac" => "\u{15}",
538        b"odblac" => "\u{15}",
539        b"OElig" => "\u{15}",
540        b"oelig" => "\u{15}",
541        b"Racute" => "\u{15}",
542        b"racute" => "\u{15}",
543        b"Rcedil" => "\u{15}",
544        b"rcedil" => "\u{15}",
545        b"Rcaron" => "\u{15}",
546        b"rcaron" => "\u{15}",
547        b"Sacute" => "\u{15}",
548        b"sacute" => "\u{15}",
549        b"Scirc" => "\u{15}",
550        b"scirc" => "\u{15}",
551        b"Scedil" => "\u{15}",
552        b"scedil" => "\u{15}",
553        b"Scaron" => "\u{16}",
554        b"scaron" => "\u{16}",
555        b"Tcedil" => "\u{16}",
556        b"tcedil" => "\u{16}",
557        b"Tcaron" => "\u{16}",
558        b"tcaron" => "\u{16}",
559        b"Tstrok" => "\u{16}",
560        b"tstrok" => "\u{16}",
561        b"Utilde" => "\u{16}",
562        b"utilde" => "\u{16}",
563        b"Umacr" => "\u{16}",
564        b"umacr" => "\u{16}",
565        b"Ubreve" => "\u{16}",
566        b"ubreve" => "\u{16}",
567        b"Uring" => "\u{16}",
568        b"uring" => "\u{16}",
569        b"Udblac" => "\u{17}",
570        b"udblac" => "\u{17}",
571        b"Uogon" => "\u{17}",
572        b"uogon" => "\u{17}",
573        b"Wcirc" => "\u{17}",
574        b"wcirc" => "\u{17}",
575        b"Ycirc" => "\u{17}",
576        b"ycirc" => "\u{17}",
577        b"Yuml" => "\u{17}",
578        b"Zacute" => "\u{17}",
579        b"zacute" => "\u{17}",
580        b"Zdot" => "\u{17}",
581        b"zdot" => "\u{17}",
582        b"Zcaron" => "\u{17}",
583        b"zcaron" => "\u{17}",
584        b"fnof" => "\u{19}",
585        b"imped" => "\u{1B}",
586        b"gacute" => "\u{1F}",
587        b"jmath" => "\u{23}",
588        b"circ" => "\u{2C}",
589        b"caron" | b"Hacek" => "\u{2C}",
590        b"breve" | b"Breve" => "\u{2D}",
591        b"dot" | b"DiacriticalDot" => "\u{2D}",
592        b"ring" => "\u{2D}",
593        b"ogon" => "\u{2D}",
594        b"tilde" | b"DiacriticalTilde" => "\u{2D}",
595        b"dblac" | b"DiacriticalDoubleAcute" => "\u{2D}",
596        b"DownBreve" => "\u{31}",
597        b"UnderBar" => "\u{33}",
598        b"Alpha" => "\u{39}",
599        b"Beta" => "\u{39}",
600        b"Gamma" => "\u{39}",
601        b"Delta" => "\u{39}",
602        b"Epsilon" => "\u{39}",
603        b"Zeta" => "\u{39}",
604        b"Eta" => "\u{39}",
605        b"Theta" => "\u{39}",
606        b"Iota" => "\u{39}",
607        b"Kappa" => "\u{39}",
608        b"Lambda" => "\u{39}",
609        b"Mu" => "\u{39}",
610        b"Nu" => "\u{39}",
611        b"Xi" => "\u{39}",
612        b"Omicron" => "\u{39}",
613        b"Pi" => "\u{3A}",
614        b"Rho" => "\u{3A}",
615        b"Sigma" => "\u{3A}",
616        b"Tau" => "\u{3A}",
617        b"Upsilon" => "\u{3A}",
618        b"Phi" => "\u{3A}",
619        b"Chi" => "\u{3A}",
620        b"Psi" => "\u{3A}",
621        b"Omega" => "\u{3A}",
622        b"alpha" => "\u{3B}",
623        b"beta" => "\u{3B}",
624        b"gamma" => "\u{3B}",
625        b"delta" => "\u{3B}",
626        b"epsiv" | b"varepsilon" | b"epsilon" => "\u{3B}",
627        b"zeta" => "\u{3B}",
628        b"eta" => "\u{3B}",
629        b"theta" => "\u{3B}",
630        b"iota" => "\u{3B}",
631        b"kappa" => "\u{3B}",
632        b"lambda" => "\u{3B}",
633        b"mu" => "\u{3B}",
634        b"nu" => "\u{3B}",
635        b"xi" => "\u{3B}",
636        b"omicron" => "\u{3B}",
637        b"pi" => "\u{3C}",
638        b"rho" => "\u{3C}",
639        b"sigmav" | b"varsigma" | b"sigmaf" => "\u{3C}",
640        b"sigma" => "\u{3C}",
641        b"tau" => "\u{3C}",
642        b"upsi" | b"upsilon" => "\u{3C}",
643        b"phi" | b"phiv" | b"varphi" => "\u{3C}",
644        b"chi" => "\u{3C}",
645        b"psi" => "\u{3C}",
646        b"omega" => "\u{3C}",
647        b"thetav" | b"vartheta" | b"thetasym" => "\u{3D}",
648        b"Upsi" | b"upsih" => "\u{3D}",
649        b"straightphi" => "\u{3D}",
650        b"piv" | b"varpi" => "\u{3D}",
651        b"Gammad" => "\u{3D}",
652        b"gammad" | b"digamma" => "\u{3D}",
653        b"kappav" | b"varkappa" => "\u{3F}",
654        b"rhov" | b"varrho" => "\u{3F}",
655        b"epsi" | b"straightepsilon" => "\u{3F}",
656        b"bepsi" | b"backepsilon" => "\u{3F}",
657        b"IOcy" => "\u{40}",
658        b"DJcy" => "\u{40}",
659        b"GJcy" => "\u{40}",
660        b"Jukcy" => "\u{40}",
661        b"DScy" => "\u{40}",
662        b"Iukcy" => "\u{40}",
663        b"YIcy" => "\u{40}",
664        b"Jsercy" => "\u{40}",
665        b"LJcy" => "\u{40}",
666        b"NJcy" => "\u{40}",
667        b"TSHcy" => "\u{40}",
668        b"KJcy" => "\u{40}",
669        b"Ubrcy" => "\u{40}",
670        b"DZcy" => "\u{40}",
671        b"Acy" => "\u{41}",
672        b"Bcy" => "\u{41}",
673        b"Vcy" => "\u{41}",
674        b"Gcy" => "\u{41}",
675        b"Dcy" => "\u{41}",
676        b"IEcy" => "\u{41}",
677        b"ZHcy" => "\u{41}",
678        b"Zcy" => "\u{41}",
679        b"Icy" => "\u{41}",
680        b"Jcy" => "\u{41}",
681        b"Kcy" => "\u{41}",
682        b"Lcy" => "\u{41}",
683        b"Mcy" => "\u{41}",
684        b"Ncy" => "\u{41}",
685        b"Ocy" => "\u{41}",
686        b"Pcy" => "\u{41}",
687        b"Rcy" => "\u{42}",
688        b"Scy" => "\u{42}",
689        b"Tcy" => "\u{42}",
690        b"Ucy" => "\u{42}",
691        b"Fcy" => "\u{42}",
692        b"KHcy" => "\u{42}",
693        b"TScy" => "\u{42}",
694        b"CHcy" => "\u{42}",
695        b"SHcy" => "\u{42}",
696        b"SHCHcy" => "\u{42}",
697        b"HARDcy" => "\u{42}",
698        b"Ycy" => "\u{42}",
699        b"SOFTcy" => "\u{42}",
700        b"Ecy" => "\u{42}",
701        b"YUcy" => "\u{42}",
702        b"YAcy" => "\u{42}",
703        b"acy" => "\u{43}",
704        b"bcy" => "\u{43}",
705        b"vcy" => "\u{43}",
706        b"gcy" => "\u{43}",
707        b"dcy" => "\u{43}",
708        b"iecy" => "\u{43}",
709        b"zhcy" => "\u{43}",
710        b"zcy" => "\u{43}",
711        b"icy" => "\u{43}",
712        b"jcy" => "\u{43}",
713        b"kcy" => "\u{43}",
714        b"lcy" => "\u{43}",
715        b"mcy" => "\u{43}",
716        b"ncy" => "\u{43}",
717        b"ocy" => "\u{43}",
718        b"pcy" => "\u{43}",
719        b"rcy" => "\u{44}",
720        b"scy" => "\u{44}",
721        b"tcy" => "\u{44}",
722        b"ucy" => "\u{44}",
723        b"fcy" => "\u{44}",
724        b"khcy" => "\u{44}",
725        b"tscy" => "\u{44}",
726        b"chcy" => "\u{44}",
727        b"shcy" => "\u{44}",
728        b"shchcy" => "\u{44}",
729        b"hardcy" => "\u{44}",
730        b"ycy" => "\u{44}",
731        b"softcy" => "\u{44}",
732        b"ecy" => "\u{44}",
733        b"yucy" => "\u{44}",
734        b"yacy" => "\u{44}",
735        b"iocy" => "\u{45}",
736        b"djcy" => "\u{45}",
737        b"gjcy" => "\u{45}",
738        b"jukcy" => "\u{45}",
739        b"dscy" => "\u{45}",
740        b"iukcy" => "\u{45}",
741        b"yicy" => "\u{45}",
742        b"jsercy" => "\u{45}",
743        b"ljcy" => "\u{45}",
744        b"njcy" => "\u{45}",
745        b"tshcy" => "\u{45}",
746        b"kjcy" => "\u{45}",
747        b"ubrcy" => "\u{45}",
748        b"dzcy" => "\u{45}",
749        b"ensp" => "\u{2002}",
750        b"emsp" => "\u{2003}",
751        b"emsp13" => "\u{2004}",
752        b"emsp14" => "\u{2005}",
753        b"numsp" => "\u{2007}",
754        b"puncsp" => "\u{2008}",
755        b"thinsp" | b"ThinSpace" => "\u{2009}",
756        b"hairsp" | b"VeryThinSpace" => "\u{200A}",
757        b"ZeroWidthSpace"
758        | b"NegativeVeryThinSpace"
759        | b"NegativeThinSpace"
760        | b"NegativeMediumSpace"
761        | b"NegativeThickSpace" => "\u{200B}",
762        b"zwnj" => "\u{200C}",
763        b"zwj" => "\u{200D}",
764        b"lrm" => "\u{200E}",
765        b"rlm" => "\u{200F}",
766        b"hyphen" | b"dash" => "\u{2010}",
767        b"ndash" => "\u{2013}",
768        b"mdash" => "\u{2014}",
769        b"horbar" => "\u{2015}",
770        b"Verbar" | b"Vert" => "\u{2016}",
771        b"lsquo" | b"OpenCurlyQuote" => "\u{2018}",
772        b"rsquo" | b"rsquor" | b"CloseCurlyQuote" => "\u{2019}",
773        b"lsquor" | b"sbquo" => "\u{201A}",
774        b"ldquo" | b"OpenCurlyDoubleQuote" => "\u{201C}",
775        b"rdquo" | b"rdquor" | b"CloseCurlyDoubleQuote" => "\u{201D}",
776        b"ldquor" | b"bdquo" => "\u{201E}",
777        b"dagger" => "\u{2020}",
778        b"Dagger" | b"ddagger" => "\u{2021}",
779        b"bull" | b"bullet" => "\u{2022}",
780        b"nldr" => "\u{2025}",
781        b"hellip" | b"mldr" => "\u{2026}",
782        b"permil" => "\u{2030}",
783        b"pertenk" => "\u{2031}",
784        b"prime" => "\u{2032}",
785        b"Prime" => "\u{2033}",
786        b"tprime" => "\u{2034}",
787        b"bprime" | b"backprime" => "\u{2035}",
788        b"lsaquo" => "\u{2039}",
789        b"rsaquo" => "\u{203A}",
790        b"oline" => "\u{203E}",
791        b"caret" => "\u{2041}",
792        b"hybull" => "\u{2043}",
793        b"frasl" => "\u{2044}",
794        b"bsemi" => "\u{204F}",
795        b"qprime" => "\u{2057}",
796        b"MediumSpace" => "\u{205F}",
797        b"NoBreak" => "\u{2060}",
798        b"ApplyFunction" | b"af" => "\u{2061}",
799        b"InvisibleTimes" | b"it" => "\u{2062}",
800        b"InvisibleComma" | b"ic" => "\u{2063}",
801        b"euro" => "\u{20AC}",
802        b"tdot" | b"TripleDot" => "\u{20DB}",
803        b"DotDot" => "\u{20DC}",
804        b"Copf" | b"complexes" => "\u{2102}",
805        b"incare" => "\u{2105}",
806        b"gscr" => "\u{210A}",
807        b"hamilt" | b"HilbertSpace" | b"Hscr" => "\u{210B}",
808        b"Hfr" | b"Poincareplane" => "\u{210C}",
809        b"quaternions" | b"Hopf" => "\u{210D}",
810        b"planckh" => "\u{210E}",
811        b"planck" | b"hbar" | b"plankv" | b"hslash" => "\u{210F}",
812        b"Iscr" | b"imagline" => "\u{2110}",
813        b"image" | b"Im" | b"imagpart" | b"Ifr" => "\u{2111}",
814        b"Lscr" | b"lagran" | b"Laplacetrf" => "\u{2112}",
815        b"ell" => "\u{2113}",
816        b"Nopf" | b"naturals" => "\u{2115}",
817        b"numero" => "\u{2116}",
818        b"copysr" => "\u{2117}",
819        b"weierp" | b"wp" => "\u{2118}",
820        b"Popf" | b"primes" => "\u{2119}",
821        b"rationals" | b"Qopf" => "\u{211A}",
822        b"Rscr" | b"realine" => "\u{211B}",
823        b"real" | b"Re" | b"realpart" | b"Rfr" => "\u{211C}",
824        b"reals" | b"Ropf" => "\u{211D}",
825        b"rx" => "\u{211E}",
826        b"trade" | b"TRADE" => "\u{2122}",
827        b"integers" | b"Zopf" => "\u{2124}",
828        b"ohm" => "\u{2126}",
829        b"mho" => "\u{2127}",
830        b"Zfr" | b"zeetrf" => "\u{2128}",
831        b"iiota" => "\u{2129}",
832        b"angst" => "\u{212B}",
833        b"bernou" | b"Bernoullis" | b"Bscr" => "\u{212C}",
834        b"Cfr" | b"Cayleys" => "\u{212D}",
835        b"escr" => "\u{212F}",
836        b"Escr" | b"expectation" => "\u{2130}",
837        b"Fscr" | b"Fouriertrf" => "\u{2131}",
838        b"phmmat" | b"Mellintrf" | b"Mscr" => "\u{2133}",
839        b"order" | b"orderof" | b"oscr" => "\u{2134}",
840        b"alefsym" | b"aleph" => "\u{2135}",
841        b"beth" => "\u{2136}",
842        b"gimel" => "\u{2137}",
843        b"daleth" => "\u{2138}",
844        b"CapitalDifferentialD" | b"DD" => "\u{2145}",
845        b"DifferentialD" | b"dd" => "\u{2146}",
846        b"ExponentialE" | b"exponentiale" | b"ee" => "\u{2147}",
847        b"ImaginaryI" | b"ii" => "\u{2148}",
848        b"frac13" => "\u{2153}",
849        b"frac23" => "\u{2154}",
850        b"frac15" => "\u{2155}",
851        b"frac25" => "\u{2156}",
852        b"frac35" => "\u{2157}",
853        b"frac45" => "\u{2158}",
854        b"frac16" => "\u{2159}",
855        b"frac56" => "\u{215A}",
856        b"frac18" => "\u{215B}",
857        b"frac38" => "\u{215C}",
858        b"frac58" => "\u{215D}",
859        b"frac78" => "\u{215E}",
860        b"larr" | b"leftarrow" | b"LeftArrow" | b"slarr" | b"ShortLeftArrow" => "\u{2190}",
861        b"uarr" | b"uparrow" | b"UpArrow" | b"ShortUpArrow" => "\u{2191}",
862        b"rarr" | b"rightarrow" | b"RightArrow" | b"srarr" | b"ShortRightArrow" => "\u{2192}",
863        b"darr" | b"downarrow" | b"DownArrow" | b"ShortDownArrow" => "\u{2193}",
864        b"harr" | b"leftrightarrow" | b"LeftRightArrow" => "\u{2194}",
865        b"varr" | b"updownarrow" | b"UpDownArrow" => "\u{2195}",
866        b"nwarr" | b"UpperLeftArrow" | b"nwarrow" => "\u{2196}",
867        b"nearr" | b"UpperRightArrow" | b"nearrow" => "\u{2197}",
868        b"searr" | b"searrow" | b"LowerRightArrow" => "\u{2198}",
869        b"swarr" | b"swarrow" | b"LowerLeftArrow" => "\u{2199}",
870        b"nlarr" | b"nleftarrow" => "\u{219A}",
871        b"nrarr" | b"nrightarrow" => "\u{219B}",
872        b"rarrw" | b"rightsquigarrow" => "\u{219D}",
873        b"Larr" | b"twoheadleftarrow" => "\u{219E}",
874        b"Uarr" => "\u{219F}",
875        b"Rarr" | b"twoheadrightarrow" => "\u{21A0}",
876        b"Darr" => "\u{21A1}",
877        b"larrtl" | b"leftarrowtail" => "\u{21A2}",
878        b"rarrtl" | b"rightarrowtail" => "\u{21A3}",
879        b"LeftTeeArrow" | b"mapstoleft" => "\u{21A4}",
880        b"UpTeeArrow" | b"mapstoup" => "\u{21A5}",
881        b"map" | b"RightTeeArrow" | b"mapsto" => "\u{21A6}",
882        b"DownTeeArrow" | b"mapstodown" => "\u{21A7}",
883        b"larrhk" | b"hookleftarrow" => "\u{21A9}",
884        b"rarrhk" | b"hookrightarrow" => "\u{21AA}",
885        b"larrlp" | b"looparrowleft" => "\u{21AB}",
886        b"rarrlp" | b"looparrowright" => "\u{21AC}",
887        b"harrw" | b"leftrightsquigarrow" => "\u{21AD}",
888        b"nharr" | b"nleftrightarrow" => "\u{21AE}",
889        b"lsh" | b"Lsh" => "\u{21B0}",
890        b"rsh" | b"Rsh" => "\u{21B1}",
891        b"ldsh" => "\u{21B2}",
892        b"rdsh" => "\u{21B3}",
893        b"crarr" => "\u{21B5}",
894        b"cularr" | b"curvearrowleft" => "\u{21B6}",
895        b"curarr" | b"curvearrowright" => "\u{21B7}",
896        b"olarr" | b"circlearrowleft" => "\u{21BA}",
897        b"orarr" | b"circlearrowright" => "\u{21BB}",
898        b"lharu" | b"LeftVector" | b"leftharpoonup" => "\u{21BC}",
899        b"lhard" | b"leftharpoondown" | b"DownLeftVector" => "\u{21BD}",
900        b"uharr" | b"upharpoonright" | b"RightUpVector" => "\u{21BE}",
901        b"uharl" | b"upharpoonleft" | b"LeftUpVector" => "\u{21BF}",
902        b"rharu" | b"RightVector" | b"rightharpoonup" => "\u{21C0}",
903        b"rhard" | b"rightharpoondown" | b"DownRightVector" => "\u{21C1}",
904        b"dharr" | b"RightDownVector" | b"downharpoonright" => "\u{21C2}",
905        b"dharl" | b"LeftDownVector" | b"downharpoonleft" => "\u{21C3}",
906        b"rlarr" | b"rightleftarrows" | b"RightArrowLeftArrow" => "\u{21C4}",
907        b"udarr" | b"UpArrowDownArrow" => "\u{21C5}",
908        b"lrarr" | b"leftrightarrows" | b"LeftArrowRightArrow" => "\u{21C6}",
909        b"llarr" | b"leftleftarrows" => "\u{21C7}",
910        b"uuarr" | b"upuparrows" => "\u{21C8}",
911        b"rrarr" | b"rightrightarrows" => "\u{21C9}",
912        b"ddarr" | b"downdownarrows" => "\u{21CA}",
913        b"lrhar" | b"ReverseEquilibrium" | b"leftrightharpoons" => "\u{21CB}",
914        b"rlhar" | b"rightleftharpoons" | b"Equilibrium" => "\u{21CC}",
915        b"nlArr" | b"nLeftarrow" => "\u{21CD}",
916        b"nhArr" | b"nLeftrightarrow" => "\u{21CE}",
917        b"nrArr" | b"nRightarrow" => "\u{21CF}",
918        b"lArr" | b"Leftarrow" | b"DoubleLeftArrow" => "\u{21D0}",
919        b"uArr" | b"Uparrow" | b"DoubleUpArrow" => "\u{21D1}",
920        b"rArr" | b"Rightarrow" | b"Implies" | b"DoubleRightArrow" => "\u{21D2}",
921        b"dArr" | b"Downarrow" | b"DoubleDownArrow" => "\u{21D3}",
922        b"hArr" | b"Leftrightarrow" | b"DoubleLeftRightArrow" | b"iff" => "\u{21D4}",
923        b"vArr" | b"Updownarrow" | b"DoubleUpDownArrow" => "\u{21D5}",
924        b"nwArr" => "\u{21D6}",
925        b"neArr" => "\u{21D7}",
926        b"seArr" => "\u{21D8}",
927        b"swArr" => "\u{21D9}",
928        b"lAarr" | b"Lleftarrow" => "\u{21DA}",
929        b"rAarr" | b"Rrightarrow" => "\u{21DB}",
930        b"zigrarr" => "\u{21DD}",
931        b"larrb" | b"LeftArrowBar" => "\u{21E4}",
932        b"rarrb" | b"RightArrowBar" => "\u{21E5}",
933        b"duarr" | b"DownArrowUpArrow" => "\u{21F5}",
934        b"loarr" => "\u{21FD}",
935        b"roarr" => "\u{21FE}",
936        b"hoarr" => "\u{21FF}",
937        b"forall" | b"ForAll" => "\u{2200}",
938        b"comp" | b"complement" => "\u{2201}",
939        b"part" | b"PartialD" => "\u{2202}",
940        b"exist" | b"Exists" => "\u{2203}",
941        b"nexist" | b"NotExists" | b"nexists" => "\u{2204}",
942        b"empty" | b"emptyset" | b"emptyv" | b"varnothing" => "\u{2205}",
943        b"nabla" | b"Del" => "\u{2207}",
944        b"isin" | b"isinv" | b"Element" | b"in" => "\u{2208}",
945        b"notin" | b"NotElement" | b"notinva" => "\u{2209}",
946        b"niv" | b"ReverseElement" | b"ni" | b"SuchThat" => "\u{220B}",
947        b"notni" | b"notniva" | b"NotReverseElement" => "\u{220C}",
948        b"prod" | b"Product" => "\u{220F}",
949        b"coprod" | b"Coproduct" => "\u{2210}",
950        b"sum" | b"Sum" => "\u{2211}",
951        b"minus" => "\u{2212}",
952        b"mnplus" | b"mp" | b"MinusPlus" => "\u{2213}",
953        b"plusdo" | b"dotplus" => "\u{2214}",
954        b"setmn" | b"setminus" | b"Backslash" | b"ssetmn" | b"smallsetminus" => "\u{2216}",
955        b"lowast" => "\u{2217}",
956        b"compfn" | b"SmallCircle" => "\u{2218}",
957        b"radic" | b"Sqrt" => "\u{221A}",
958        b"prop" | b"propto" | b"Proportional" | b"vprop" | b"varpropto" => "\u{221D}",
959        b"infin" => "\u{221E}",
960        b"angrt" => "\u{221F}",
961        b"ang" | b"angle" => "\u{2220}",
962        b"angmsd" | b"measuredangle" => "\u{2221}",
963        b"angsph" => "\u{2222}",
964        b"mid" | b"VerticalBar" | b"smid" | b"shortmid" => "\u{2223}",
965        b"nmid" | b"NotVerticalBar" | b"nsmid" | b"nshortmid" => "\u{2224}",
966        b"par" | b"parallel" | b"DoubleVerticalBar" | b"spar" | b"shortparallel" => "\u{2225}",
967        b"npar" | b"nparallel" | b"NotDoubleVerticalBar" | b"nspar" | b"nshortparallel" => {
968            "\u{2226}"
969        }
970        b"and" | b"wedge" => "\u{2227}",
971        b"or" | b"vee" => "\u{2228}",
972        b"cap" => "\u{2229}",
973        b"cup" => "\u{222A}",
974        b"int" | b"Integral" => "\u{222B}",
975        b"Int" => "\u{222C}",
976        b"tint" | b"iiint" => "\u{222D}",
977        b"conint" | b"oint" | b"ContourIntegral" => "\u{222E}",
978        b"Conint" | b"DoubleContourIntegral" => "\u{222F}",
979        b"Cconint" => "\u{2230}",
980        b"cwint" => "\u{2231}",
981        b"cwconint" | b"ClockwiseContourIntegral" => "\u{2232}",
982        b"awconint" | b"CounterClockwiseContourIntegral" => "\u{2233}",
983        b"there4" | b"therefore" | b"Therefore" => "\u{2234}",
984        b"becaus" | b"because" | b"Because" => "\u{2235}",
985        b"ratio" => "\u{2236}",
986        b"Colon" | b"Proportion" => "\u{2237}",
987        b"minusd" | b"dotminus" => "\u{2238}",
988        b"mDDot" => "\u{223A}",
989        b"homtht" => "\u{223B}",
990        b"sim" | b"Tilde" | b"thksim" | b"thicksim" => "\u{223C}",
991        b"bsim" | b"backsim" => "\u{223D}",
992        b"ac" | b"mstpos" => "\u{223E}",
993        b"acd" => "\u{223F}",
994        b"wreath" | b"VerticalTilde" | b"wr" => "\u{2240}",
995        b"nsim" | b"NotTilde" => "\u{2241}",
996        b"esim" | b"EqualTilde" | b"eqsim" => "\u{2242}",
997        b"sime" | b"TildeEqual" | b"simeq" => "\u{2243}",
998        b"nsime" | b"nsimeq" | b"NotTildeEqual" => "\u{2244}",
999        b"cong" | b"TildeFullEqual" => "\u{2245}",
1000        b"simne" => "\u{2246}",
1001        b"ncong" | b"NotTildeFullEqual" => "\u{2247}",
1002        b"asymp" | b"ap" | b"TildeTilde" | b"approx" | b"thkap" | b"thickapprox" => "\u{2248}",
1003        b"nap" | b"NotTildeTilde" | b"napprox" => "\u{2249}",
1004        b"ape" | b"approxeq" => "\u{224A}",
1005        b"apid" => "\u{224B}",
1006        b"bcong" | b"backcong" => "\u{224C}",
1007        b"asympeq" | b"CupCap" => "\u{224D}",
1008        b"bump" | b"HumpDownHump" | b"Bumpeq" => "\u{224E}",
1009        b"bumpe" | b"HumpEqual" | b"bumpeq" => "\u{224F}",
1010        b"esdot" | b"DotEqual" | b"doteq" => "\u{2250}",
1011        b"eDot" | b"doteqdot" => "\u{2251}",
1012        b"efDot" | b"fallingdotseq" => "\u{2252}",
1013        b"erDot" | b"risingdotseq" => "\u{2253}",
1014        b"colone" | b"coloneq" | b"Assign" => "\u{2254}",
1015        b"ecolon" | b"eqcolon" => "\u{2255}",
1016        b"ecir" | b"eqcirc" => "\u{2256}",
1017        b"cire" | b"circeq" => "\u{2257}",
1018        b"wedgeq" => "\u{2259}",
1019        b"veeeq" => "\u{225A}",
1020        b"trie" | b"triangleq" => "\u{225C}",
1021        b"equest" | b"questeq" => "\u{225F}",
1022        b"ne" | b"NotEqual" => "\u{2260}",
1023        b"equiv" | b"Congruent" => "\u{2261}",
1024        b"nequiv" | b"NotCongruent" => "\u{2262}",
1025        b"le" | b"leq" => "\u{2264}",
1026        b"ge" | b"GreaterEqual" | b"geq" => "\u{2265}",
1027        b"lE" | b"LessFullEqual" | b"leqq" => "\u{2266}",
1028        b"gE" | b"GreaterFullEqual" | b"geqq" => "\u{2267}",
1029        b"lnE" | b"lneqq" => "\u{2268}",
1030        b"gnE" | b"gneqq" => "\u{2269}",
1031        b"Lt" | b"NestedLessLess" | b"ll" => "\u{226A}",
1032        b"Gt" | b"NestedGreaterGreater" | b"gg" => "\u{226B}",
1033        b"twixt" | b"between" => "\u{226C}",
1034        b"NotCupCap" => "\u{226D}",
1035        b"nlt" | b"NotLess" | b"nless" => "\u{226E}",
1036        b"ngt" | b"NotGreater" | b"ngtr" => "\u{226F}",
1037        b"nle" | b"NotLessEqual" | b"nleq" => "\u{2270}",
1038        b"nge" | b"NotGreaterEqual" | b"ngeq" => "\u{2271}",
1039        b"lsim" | b"LessTilde" | b"lesssim" => "\u{2272}",
1040        b"gsim" | b"gtrsim" | b"GreaterTilde" => "\u{2273}",
1041        b"nlsim" | b"NotLessTilde" => "\u{2274}",
1042        b"ngsim" | b"NotGreaterTilde" => "\u{2275}",
1043        b"lg" | b"lessgtr" | b"LessGreater" => "\u{2276}",
1044        b"gl" | b"gtrless" | b"GreaterLess" => "\u{2277}",
1045        b"ntlg" | b"NotLessGreater" => "\u{2278}",
1046        b"ntgl" | b"NotGreaterLess" => "\u{2279}",
1047        b"pr" | b"Precedes" | b"prec" => "\u{227A}",
1048        b"sc" | b"Succeeds" | b"succ" => "\u{227B}",
1049        b"prcue" | b"PrecedesSlantEqual" | b"preccurlyeq" => "\u{227C}",
1050        b"sccue" | b"SucceedsSlantEqual" | b"succcurlyeq" => "\u{227D}",
1051        b"prsim" | b"precsim" | b"PrecedesTilde" => "\u{227E}",
1052        b"scsim" | b"succsim" | b"SucceedsTilde" => "\u{227F}",
1053        b"npr" | b"nprec" | b"NotPrecedes" => "\u{2280}",
1054        b"nsc" | b"nsucc" | b"NotSucceeds" => "\u{2281}",
1055        b"sub" | b"subset" => "\u{2282}",
1056        b"sup" | b"supset" | b"Superset" => "\u{2283}",
1057        b"nsub" => "\u{2284}",
1058        b"nsup" => "\u{2285}",
1059        b"sube" | b"SubsetEqual" | b"subseteq" => "\u{2286}",
1060        b"supe" | b"supseteq" | b"SupersetEqual" => "\u{2287}",
1061        b"nsube" | b"nsubseteq" | b"NotSubsetEqual" => "\u{2288}",
1062        b"nsupe" | b"nsupseteq" | b"NotSupersetEqual" => "\u{2289}",
1063        b"subne" | b"subsetneq" => "\u{228A}",
1064        b"supne" | b"supsetneq" => "\u{228B}",
1065        b"cupdot" => "\u{228D}",
1066        b"uplus" | b"UnionPlus" => "\u{228E}",
1067        b"sqsub" | b"SquareSubset" | b"sqsubset" => "\u{228F}",
1068        b"sqsup" | b"SquareSuperset" | b"sqsupset" => "\u{2290}",
1069        b"sqsube" | b"SquareSubsetEqual" | b"sqsubseteq" => "\u{2291}",
1070        b"sqsupe" | b"SquareSupersetEqual" | b"sqsupseteq" => "\u{2292}",
1071        b"sqcap" | b"SquareIntersection" => "\u{2293}",
1072        b"sqcup" | b"SquareUnion" => "\u{2294}",
1073        b"oplus" | b"CirclePlus" => "\u{2295}",
1074        b"ominus" | b"CircleMinus" => "\u{2296}",
1075        b"otimes" | b"CircleTimes" => "\u{2297}",
1076        b"osol" => "\u{2298}",
1077        b"odot" | b"CircleDot" => "\u{2299}",
1078        b"ocir" | b"circledcirc" => "\u{229A}",
1079        b"oast" | b"circledast" => "\u{229B}",
1080        b"odash" | b"circleddash" => "\u{229D}",
1081        b"plusb" | b"boxplus" => "\u{229E}",
1082        b"minusb" | b"boxminus" => "\u{229F}",
1083        b"timesb" | b"boxtimes" => "\u{22A0}",
1084        b"sdotb" | b"dotsquare" => "\u{22A1}",
1085        b"vdash" | b"RightTee" => "\u{22A2}",
1086        b"dashv" | b"LeftTee" => "\u{22A3}",
1087        b"top" | b"DownTee" => "\u{22A4}",
1088        b"bottom" | b"bot" | b"perp" | b"UpTee" => "\u{22A5}",
1089        b"models" => "\u{22A7}",
1090        b"vDash" | b"DoubleRightTee" => "\u{22A8}",
1091        b"Vdash" => "\u{22A9}",
1092        b"Vvdash" => "\u{22AA}",
1093        b"VDash" => "\u{22AB}",
1094        b"nvdash" => "\u{22AC}",
1095        b"nvDash" => "\u{22AD}",
1096        b"nVdash" => "\u{22AE}",
1097        b"nVDash" => "\u{22AF}",
1098        b"prurel" => "\u{22B0}",
1099        b"vltri" | b"vartriangleleft" | b"LeftTriangle" => "\u{22B2}",
1100        b"vrtri" | b"vartriangleright" | b"RightTriangle" => "\u{22B3}",
1101        b"ltrie" | b"trianglelefteq" | b"LeftTriangleEqual" => "\u{22B4}",
1102        b"rtrie" | b"trianglerighteq" | b"RightTriangleEqual" => "\u{22B5}",
1103        b"origof" => "\u{22B6}",
1104        b"imof" => "\u{22B7}",
1105        b"mumap" | b"multimap" => "\u{22B8}",
1106        b"hercon" => "\u{22B9}",
1107        b"intcal" | b"intercal" => "\u{22BA}",
1108        b"veebar" => "\u{22BB}",
1109        b"barvee" => "\u{22BD}",
1110        b"angrtvb" => "\u{22BE}",
1111        b"lrtri" => "\u{22BF}",
1112        b"xwedge" | b"Wedge" | b"bigwedge" => "\u{22C0}",
1113        b"xvee" | b"Vee" | b"bigvee" => "\u{22C1}",
1114        b"xcap" | b"Intersection" | b"bigcap" => "\u{22C2}",
1115        b"xcup" | b"Union" | b"bigcup" => "\u{22C3}",
1116        b"diam" | b"diamond" | b"Diamond" => "\u{22C4}",
1117        b"sdot" => "\u{22C5}",
1118        b"sstarf" | b"Star" => "\u{22C6}",
1119        b"divonx" | b"divideontimes" => "\u{22C7}",
1120        b"bowtie" => "\u{22C8}",
1121        b"ltimes" => "\u{22C9}",
1122        b"rtimes" => "\u{22CA}",
1123        b"lthree" | b"leftthreetimes" => "\u{22CB}",
1124        b"rthree" | b"rightthreetimes" => "\u{22CC}",
1125        b"bsime" | b"backsimeq" => "\u{22CD}",
1126        b"cuvee" | b"curlyvee" => "\u{22CE}",
1127        b"cuwed" | b"curlywedge" => "\u{22CF}",
1128        b"Sub" | b"Subset" => "\u{22D0}",
1129        b"Sup" | b"Supset" => "\u{22D1}",
1130        b"Cap" => "\u{22D2}",
1131        b"Cup" => "\u{22D3}",
1132        b"fork" | b"pitchfork" => "\u{22D4}",
1133        b"epar" => "\u{22D5}",
1134        b"ltdot" | b"lessdot" => "\u{22D6}",
1135        b"gtdot" | b"gtrdot" => "\u{22D7}",
1136        b"Ll" => "\u{22D8}",
1137        b"Gg" | b"ggg" => "\u{22D9}",
1138        b"leg" | b"LessEqualGreater" | b"lesseqgtr" => "\u{22DA}",
1139        b"gel" | b"gtreqless" | b"GreaterEqualLess" => "\u{22DB}",
1140        b"cuepr" | b"curlyeqprec" => "\u{22DE}",
1141        b"cuesc" | b"curlyeqsucc" => "\u{22DF}",
1142        b"nprcue" | b"NotPrecedesSlantEqual" => "\u{22E0}",
1143        b"nsccue" | b"NotSucceedsSlantEqual" => "\u{22E1}",
1144        b"nsqsube" | b"NotSquareSubsetEqual" => "\u{22E2}",
1145        b"nsqsupe" | b"NotSquareSupersetEqual" => "\u{22E3}",
1146        b"lnsim" => "\u{22E6}",
1147        b"gnsim" => "\u{22E7}",
1148        b"prnsim" | b"precnsim" => "\u{22E8}",
1149        b"scnsim" | b"succnsim" => "\u{22E9}",
1150        b"nltri" | b"ntriangleleft" | b"NotLeftTriangle" => "\u{22EA}",
1151        b"nrtri" | b"ntriangleright" | b"NotRightTriangle" => "\u{22EB}",
1152        b"nltrie" | b"ntrianglelefteq" | b"NotLeftTriangleEqual" => "\u{22EC}",
1153        b"nrtrie" | b"ntrianglerighteq" | b"NotRightTriangleEqual" => "\u{22ED}",
1154        b"vellip" => "\u{22EE}",
1155        b"ctdot" => "\u{22EF}",
1156        b"utdot" => "\u{22F0}",
1157        b"dtdot" => "\u{22F1}",
1158        b"disin" => "\u{22F2}",
1159        b"isinsv" => "\u{22F3}",
1160        b"isins" => "\u{22F4}",
1161        b"isindot" => "\u{22F5}",
1162        b"notinvc" => "\u{22F6}",
1163        b"notinvb" => "\u{22F7}",
1164        b"isinE" => "\u{22F9}",
1165        b"nisd" => "\u{22FA}",
1166        b"xnis" => "\u{22FB}",
1167        b"nis" => "\u{22FC}",
1168        b"notnivc" => "\u{22FD}",
1169        b"notnivb" => "\u{22FE}",
1170        b"barwed" | b"barwedge" => "\u{2305}",
1171        b"Barwed" | b"doublebarwedge" => "\u{2306}",
1172        b"lceil" | b"LeftCeiling" => "\u{2308}",
1173        b"rceil" | b"RightCeiling" => "\u{2309}",
1174        b"lfloor" | b"LeftFloor" => "\u{230A}",
1175        b"rfloor" | b"RightFloor" => "\u{230B}",
1176        b"drcrop" => "\u{230C}",
1177        b"dlcrop" => "\u{230D}",
1178        b"urcrop" => "\u{230E}",
1179        b"ulcrop" => "\u{230F}",
1180        b"bnot" => "\u{2310}",
1181        b"profline" => "\u{2312}",
1182        b"profsurf" => "\u{2313}",
1183        b"telrec" => "\u{2315}",
1184        b"target" => "\u{2316}",
1185        b"ulcorn" | b"ulcorner" => "\u{231C}",
1186        b"urcorn" | b"urcorner" => "\u{231D}",
1187        b"dlcorn" | b"llcorner" => "\u{231E}",
1188        b"drcorn" | b"lrcorner" => "\u{231F}",
1189        b"frown" | b"sfrown" => "\u{2322}",
1190        b"smile" | b"ssmile" => "\u{2323}",
1191        b"cylcty" => "\u{232D}",
1192        b"profalar" => "\u{232E}",
1193        b"topbot" => "\u{2336}",
1194        b"ovbar" => "\u{233D}",
1195        b"solbar" => "\u{233F}",
1196        b"angzarr" => "\u{237C}",
1197        b"lmoust" | b"lmoustache" => "\u{23B0}",
1198        b"rmoust" | b"rmoustache" => "\u{23B1}",
1199        b"tbrk" | b"OverBracket" => "\u{23B4}",
1200        b"bbrk" | b"UnderBracket" => "\u{23B5}",
1201        b"bbrktbrk" => "\u{23B6}",
1202        b"OverParenthesis" => "\u{23DC}",
1203        b"UnderParenthesis" => "\u{23DD}",
1204        b"OverBrace" => "\u{23DE}",
1205        b"UnderBrace" => "\u{23DF}",
1206        b"trpezium" => "\u{23E2}",
1207        b"elinters" => "\u{23E7}",
1208        b"blank" => "\u{2423}",
1209        b"oS" | b"circledS" => "\u{24C8}",
1210        b"boxh" | b"HorizontalLine" => "\u{2500}",
1211        b"boxv" => "\u{2502}",
1212        b"boxdr" => "\u{250C}",
1213        b"boxdl" => "\u{2510}",
1214        b"boxur" => "\u{2514}",
1215        b"boxul" => "\u{2518}",
1216        b"boxvr" => "\u{251C}",
1217        b"boxvl" => "\u{2524}",
1218        b"boxhd" => "\u{252C}",
1219        b"boxhu" => "\u{2534}",
1220        b"boxvh" => "\u{253C}",
1221        b"boxH" => "\u{2550}",
1222        b"boxV" => "\u{2551}",
1223        b"boxdR" => "\u{2552}",
1224        b"boxDr" => "\u{2553}",
1225        b"boxDR" => "\u{2554}",
1226        b"boxdL" => "\u{2555}",
1227        b"boxDl" => "\u{2556}",
1228        b"boxDL" => "\u{2557}",
1229        b"boxuR" => "\u{2558}",
1230        b"boxUr" => "\u{2559}",
1231        b"boxUR" => "\u{255A}",
1232        b"boxuL" => "\u{255B}",
1233        b"boxUl" => "\u{255C}",
1234        b"boxUL" => "\u{255D}",
1235        b"boxvR" => "\u{255E}",
1236        b"boxVr" => "\u{255F}",
1237        b"boxVR" => "\u{2560}",
1238        b"boxvL" => "\u{2561}",
1239        b"boxVl" => "\u{2562}",
1240        b"boxVL" => "\u{2563}",
1241        b"boxHd" => "\u{2564}",
1242        b"boxhD" => "\u{2565}",
1243        b"boxHD" => "\u{2566}",
1244        b"boxHu" => "\u{2567}",
1245        b"boxhU" => "\u{2568}",
1246        b"boxHU" => "\u{2569}",
1247        b"boxvH" => "\u{256A}",
1248        b"boxVh" => "\u{256B}",
1249        b"boxVH" => "\u{256C}",
1250        b"uhblk" => "\u{2580}",
1251        b"lhblk" => "\u{2584}",
1252        b"block" => "\u{2588}",
1253        b"blk14" => "\u{2591}",
1254        b"blk12" => "\u{2592}",
1255        b"blk34" => "\u{2593}",
1256        b"squ" | b"square" | b"Square" => "\u{25A1}",
1257        b"squf" | b"squarf" | b"blacksquare" | b"FilledVerySmallSquare" => "\u{25AA}",
1258        b"EmptyVerySmallSquare" => "\u{25AB}",
1259        b"rect" => "\u{25AD}",
1260        b"marker" => "\u{25AE}",
1261        b"fltns" => "\u{25B1}",
1262        b"xutri" | b"bigtriangleup" => "\u{25B3}",
1263        b"utrif" | b"blacktriangle" => "\u{25B4}",
1264        b"utri" | b"triangle" => "\u{25B5}",
1265        b"rtrif" | b"blacktriangleright" => "\u{25B8}",
1266        b"rtri" | b"triangleright" => "\u{25B9}",
1267        b"xdtri" | b"bigtriangledown" => "\u{25BD}",
1268        b"dtrif" | b"blacktriangledown" => "\u{25BE}",
1269        b"dtri" | b"triangledown" => "\u{25BF}",
1270        b"ltrif" | b"blacktriangleleft" => "\u{25C2}",
1271        b"ltri" | b"triangleleft" => "\u{25C3}",
1272        b"loz" | b"lozenge" => "\u{25CA}",
1273        b"cir" => "\u{25CB}",
1274        b"tridot" => "\u{25EC}",
1275        b"xcirc" | b"bigcirc" => "\u{25EF}",
1276        b"ultri" => "\u{25F8}",
1277        b"urtri" => "\u{25F9}",
1278        b"lltri" => "\u{25FA}",
1279        b"EmptySmallSquare" => "\u{25FB}",
1280        b"FilledSmallSquare" => "\u{25FC}",
1281        b"starf" | b"bigstar" => "\u{2605}",
1282        b"star" => "\u{2606}",
1283        b"phone" => "\u{260E}",
1284        b"female" => "\u{2640}",
1285        b"male" => "\u{2642}",
1286        b"spades" | b"spadesuit" => "\u{2660}",
1287        b"clubs" | b"clubsuit" => "\u{2663}",
1288        b"hearts" | b"heartsuit" => "\u{2665}",
1289        b"diams" | b"diamondsuit" => "\u{2666}",
1290        b"sung" => "\u{266A}",
1291        b"flat" => "\u{266D}",
1292        b"natur" | b"natural" => "\u{266E}",
1293        b"sharp" => "\u{266F}",
1294        b"check" | b"checkmark" => "\u{2713}",
1295        b"cross" => "\u{2717}",
1296        b"malt" | b"maltese" => "\u{2720}",
1297        b"sext" => "\u{2736}",
1298        b"VerticalSeparator" => "\u{2758}",
1299        b"lbbrk" => "\u{2772}",
1300        b"rbbrk" => "\u{2773}",
1301        b"lobrk" | b"LeftDoubleBracket" => "\u{27E6}",
1302        b"robrk" | b"RightDoubleBracket" => "\u{27E7}",
1303        b"lang" | b"LeftAngleBracket" | b"langle" => "\u{27E8}",
1304        b"rang" | b"RightAngleBracket" | b"rangle" => "\u{27E9}",
1305        b"Lang" => "\u{27EA}",
1306        b"Rang" => "\u{27EB}",
1307        b"loang" => "\u{27EC}",
1308        b"roang" => "\u{27ED}",
1309        b"xlarr" | b"longleftarrow" | b"LongLeftArrow" => "\u{27F5}",
1310        b"xrarr" | b"longrightarrow" | b"LongRightArrow" => "\u{27F6}",
1311        b"xharr" | b"longleftrightarrow" | b"LongLeftRightArrow" => "\u{27F7}",
1312        b"xlArr" | b"Longleftarrow" | b"DoubleLongLeftArrow" => "\u{27F8}",
1313        b"xrArr" | b"Longrightarrow" | b"DoubleLongRightArrow" => "\u{27F9}",
1314        b"xhArr" | b"Longleftrightarrow" | b"DoubleLongLeftRightArrow" => "\u{27FA}",
1315        b"xmap" | b"longmapsto" => "\u{27FC}",
1316        b"dzigrarr" => "\u{27FF}",
1317        b"nvlArr" => "\u{2902}",
1318        b"nvrArr" => "\u{2903}",
1319        b"nvHarr" => "\u{2904}",
1320        b"Map" => "\u{2905}",
1321        b"lbarr" => "\u{290C}",
1322        b"rbarr" | b"bkarow" => "\u{290D}",
1323        b"lBarr" => "\u{290E}",
1324        b"rBarr" | b"dbkarow" => "\u{290F}",
1325        b"RBarr" | b"drbkarow" => "\u{2910}",
1326        b"DDotrahd" => "\u{2911}",
1327        b"UpArrowBar" => "\u{2912}",
1328        b"DownArrowBar" => "\u{2913}",
1329        b"Rarrtl" => "\u{2916}",
1330        b"latail" => "\u{2919}",
1331        b"ratail" => "\u{291A}",
1332        b"lAtail" => "\u{291B}",
1333        b"rAtail" => "\u{291C}",
1334        b"larrfs" => "\u{291D}",
1335        b"rarrfs" => "\u{291E}",
1336        b"larrbfs" => "\u{291F}",
1337        b"rarrbfs" => "\u{2920}",
1338        b"nwarhk" => "\u{2923}",
1339        b"nearhk" => "\u{2924}",
1340        b"searhk" | b"hksearow" => "\u{2925}",
1341        b"swarhk" | b"hkswarow" => "\u{2926}",
1342        b"nwnear" => "\u{2927}",
1343        b"nesear" | b"toea" => "\u{2928}",
1344        b"seswar" | b"tosa" => "\u{2929}",
1345        b"swnwar" => "\u{292A}",
1346        b"rarrc" => "\u{2933}",
1347        b"cudarrr" => "\u{2935}",
1348        b"ldca" => "\u{2936}",
1349        b"rdca" => "\u{2937}",
1350        b"cudarrl" => "\u{2938}",
1351        b"larrpl" => "\u{2939}",
1352        b"curarrm" => "\u{293C}",
1353        b"cularrp" => "\u{293D}",
1354        b"rarrpl" => "\u{2945}",
1355        b"harrcir" => "\u{2948}",
1356        b"Uarrocir" => "\u{2949}",
1357        b"lurdshar" => "\u{294A}",
1358        b"ldrushar" => "\u{294B}",
1359        b"LeftRightVector" => "\u{294E}",
1360        b"RightUpDownVector" => "\u{294F}",
1361        b"DownLeftRightVector" => "\u{2950}",
1362        b"LeftUpDownVector" => "\u{2951}",
1363        b"LeftVectorBar" => "\u{2952}",
1364        b"RightVectorBar" => "\u{2953}",
1365        b"RightUpVectorBar" => "\u{2954}",
1366        b"RightDownVectorBar" => "\u{2955}",
1367        b"DownLeftVectorBar" => "\u{2956}",
1368        b"DownRightVectorBar" => "\u{2957}",
1369        b"LeftUpVectorBar" => "\u{2958}",
1370        b"LeftDownVectorBar" => "\u{2959}",
1371        b"LeftTeeVector" => "\u{295A}",
1372        b"RightTeeVector" => "\u{295B}",
1373        b"RightUpTeeVector" => "\u{295C}",
1374        b"RightDownTeeVector" => "\u{295D}",
1375        b"DownLeftTeeVector" => "\u{295E}",
1376        b"DownRightTeeVector" => "\u{295F}",
1377        b"LeftUpTeeVector" => "\u{2960}",
1378        b"LeftDownTeeVector" => "\u{2961}",
1379        b"lHar" => "\u{2962}",
1380        b"uHar" => "\u{2963}",
1381        b"rHar" => "\u{2964}",
1382        b"dHar" => "\u{2965}",
1383        b"luruhar" => "\u{2966}",
1384        b"ldrdhar" => "\u{2967}",
1385        b"ruluhar" => "\u{2968}",
1386        b"rdldhar" => "\u{2969}",
1387        b"lharul" => "\u{296A}",
1388        b"llhard" => "\u{296B}",
1389        b"rharul" => "\u{296C}",
1390        b"lrhard" => "\u{296D}",
1391        b"udhar" | b"UpEquilibrium" => "\u{296E}",
1392        b"duhar" | b"ReverseUpEquilibrium" => "\u{296F}",
1393        b"RoundImplies" => "\u{2970}",
1394        b"erarr" => "\u{2971}",
1395        b"simrarr" => "\u{2972}",
1396        b"larrsim" => "\u{2973}",
1397        b"rarrsim" => "\u{2974}",
1398        b"rarrap" => "\u{2975}",
1399        b"ltlarr" => "\u{2976}",
1400        b"gtrarr" => "\u{2978}",
1401        b"subrarr" => "\u{2979}",
1402        b"suplarr" => "\u{297B}",
1403        b"lfisht" => "\u{297C}",
1404        b"rfisht" => "\u{297D}",
1405        b"ufisht" => "\u{297E}",
1406        b"dfisht" => "\u{297F}",
1407        b"lopar" => "\u{2985}",
1408        b"ropar" => "\u{2986}",
1409        b"lbrke" => "\u{298B}",
1410        b"rbrke" => "\u{298C}",
1411        b"lbrkslu" => "\u{298D}",
1412        b"rbrksld" => "\u{298E}",
1413        b"lbrksld" => "\u{298F}",
1414        b"rbrkslu" => "\u{2990}",
1415        b"langd" => "\u{2991}",
1416        b"rangd" => "\u{2992}",
1417        b"lparlt" => "\u{2993}",
1418        b"rpargt" => "\u{2994}",
1419        b"gtlPar" => "\u{2995}",
1420        b"ltrPar" => "\u{2996}",
1421        b"vzigzag" => "\u{299A}",
1422        b"vangrt" => "\u{299C}",
1423        b"angrtvbd" => "\u{299D}",
1424        b"ange" => "\u{29A4}",
1425        b"range" => "\u{29A5}",
1426        b"dwangle" => "\u{29A6}",
1427        b"uwangle" => "\u{29A7}",
1428        b"angmsdaa" => "\u{29A8}",
1429        b"angmsdab" => "\u{29A9}",
1430        b"angmsdac" => "\u{29AA}",
1431        b"angmsdad" => "\u{29AB}",
1432        b"angmsdae" => "\u{29AC}",
1433        b"angmsdaf" => "\u{29AD}",
1434        b"angmsdag" => "\u{29AE}",
1435        b"angmsdah" => "\u{29AF}",
1436        b"bemptyv" => "\u{29B0}",
1437        b"demptyv" => "\u{29B1}",
1438        b"cemptyv" => "\u{29B2}",
1439        b"raemptyv" => "\u{29B3}",
1440        b"laemptyv" => "\u{29B4}",
1441        b"ohbar" => "\u{29B5}",
1442        b"omid" => "\u{29B6}",
1443        b"opar" => "\u{29B7}",
1444        b"operp" => "\u{29B9}",
1445        b"olcross" => "\u{29BB}",
1446        b"odsold" => "\u{29BC}",
1447        b"olcir" => "\u{29BE}",
1448        b"ofcir" => "\u{29BF}",
1449        b"olt" => "\u{29C0}",
1450        b"ogt" => "\u{29C1}",
1451        b"cirscir" => "\u{29C2}",
1452        b"cirE" => "\u{29C3}",
1453        b"solb" => "\u{29C4}",
1454        b"bsolb" => "\u{29C5}",
1455        b"boxbox" => "\u{29C9}",
1456        b"trisb" => "\u{29CD}",
1457        b"rtriltri" => "\u{29CE}",
1458        b"LeftTriangleBar" => "\u{29CF}",
1459        b"RightTriangleBar" => "\u{29D0}",
1460        b"race" => "\u{29DA}",
1461        b"iinfin" => "\u{29DC}",
1462        b"infintie" => "\u{29DD}",
1463        b"nvinfin" => "\u{29DE}",
1464        b"eparsl" => "\u{29E3}",
1465        b"smeparsl" => "\u{29E4}",
1466        b"eqvparsl" => "\u{29E5}",
1467        b"lozf" | b"blacklozenge" => "\u{29EB}",
1468        b"RuleDelayed" => "\u{29F4}",
1469        b"dsol" => "\u{29F6}",
1470        b"xodot" | b"bigodot" => "\u{2A00}",
1471        b"xoplus" | b"bigoplus" => "\u{2A01}",
1472        b"xotime" | b"bigotimes" => "\u{2A02}",
1473        b"xuplus" | b"biguplus" => "\u{2A04}",
1474        b"xsqcup" | b"bigsqcup" => "\u{2A06}",
1475        b"qint" | b"iiiint" => "\u{2A0C}",
1476        b"fpartint" => "\u{2A0D}",
1477        b"cirfnint" => "\u{2A10}",
1478        b"awint" => "\u{2A11}",
1479        b"rppolint" => "\u{2A12}",
1480        b"scpolint" => "\u{2A13}",
1481        b"npolint" => "\u{2A14}",
1482        b"pointint" => "\u{2A15}",
1483        b"quatint" => "\u{2A16}",
1484        b"intlarhk" => "\u{2A17}",
1485        b"pluscir" => "\u{2A22}",
1486        b"plusacir" => "\u{2A23}",
1487        b"simplus" => "\u{2A24}",
1488        b"plusdu" => "\u{2A25}",
1489        b"plussim" => "\u{2A26}",
1490        b"plustwo" => "\u{2A27}",
1491        b"mcomma" => "\u{2A29}",
1492        b"minusdu" => "\u{2A2A}",
1493        b"loplus" => "\u{2A2D}",
1494        b"roplus" => "\u{2A2E}",
1495        b"Cross" => "\u{2A2F}",
1496        b"timesd" => "\u{2A30}",
1497        b"timesbar" => "\u{2A31}",
1498        b"smashp" => "\u{2A33}",
1499        b"lotimes" => "\u{2A34}",
1500        b"rotimes" => "\u{2A35}",
1501        b"otimesas" => "\u{2A36}",
1502        b"Otimes" => "\u{2A37}",
1503        b"odiv" => "\u{2A38}",
1504        b"triplus" => "\u{2A39}",
1505        b"triminus" => "\u{2A3A}",
1506        b"tritime" => "\u{2A3B}",
1507        b"iprod" | b"intprod" => "\u{2A3C}",
1508        b"amalg" => "\u{2A3F}",
1509        b"capdot" => "\u{2A40}",
1510        b"ncup" => "\u{2A42}",
1511        b"ncap" => "\u{2A43}",
1512        b"capand" => "\u{2A44}",
1513        b"cupor" => "\u{2A45}",
1514        b"cupcap" => "\u{2A46}",
1515        b"capcup" => "\u{2A47}",
1516        b"cupbrcap" => "\u{2A48}",
1517        b"capbrcup" => "\u{2A49}",
1518        b"cupcup" => "\u{2A4A}",
1519        b"capcap" => "\u{2A4B}",
1520        b"ccups" => "\u{2A4C}",
1521        b"ccaps" => "\u{2A4D}",
1522        b"ccupssm" => "\u{2A50}",
1523        b"And" => "\u{2A53}",
1524        b"Or" => "\u{2A54}",
1525        b"andand" => "\u{2A55}",
1526        b"oror" => "\u{2A56}",
1527        b"orslope" => "\u{2A57}",
1528        b"andslope" => "\u{2A58}",
1529        b"andv" => "\u{2A5A}",
1530        b"orv" => "\u{2A5B}",
1531        b"andd" => "\u{2A5C}",
1532        b"ord" => "\u{2A5D}",
1533        b"wedbar" => "\u{2A5F}",
1534        b"sdote" => "\u{2A66}",
1535        b"simdot" => "\u{2A6A}",
1536        b"congdot" => "\u{2A6D}",
1537        b"easter" => "\u{2A6E}",
1538        b"apacir" => "\u{2A6F}",
1539        b"apE" => "\u{2A70}",
1540        b"eplus" => "\u{2A71}",
1541        b"pluse" => "\u{2A72}",
1542        b"Esim" => "\u{2A73}",
1543        b"Colone" => "\u{2A74}",
1544        b"Equal" => "\u{2A75}",
1545        b"eDDot" | b"ddotseq" => "\u{2A77}",
1546        b"equivDD" => "\u{2A78}",
1547        b"ltcir" => "\u{2A79}",
1548        b"gtcir" => "\u{2A7A}",
1549        b"ltquest" => "\u{2A7B}",
1550        b"gtquest" => "\u{2A7C}",
1551        b"les" | b"LessSlantEqual" | b"leqslant" => "\u{2A7D}",
1552        b"ges" | b"GreaterSlantEqual" | b"geqslant" => "\u{2A7E}",
1553        b"lesdot" => "\u{2A7F}",
1554        b"gesdot" => "\u{2A80}",
1555        b"lesdoto" => "\u{2A81}",
1556        b"gesdoto" => "\u{2A82}",
1557        b"lesdotor" => "\u{2A83}",
1558        b"gesdotol" => "\u{2A84}",
1559        b"lap" | b"lessapprox" => "\u{2A85}",
1560        b"gap" | b"gtrapprox" => "\u{2A86}",
1561        b"lne" | b"lneq" => "\u{2A87}",
1562        b"gne" | b"gneq" => "\u{2A88}",
1563        b"lnap" | b"lnapprox" => "\u{2A89}",
1564        b"gnap" | b"gnapprox" => "\u{2A8A}",
1565        b"lEg" | b"lesseqqgtr" => "\u{2A8B}",
1566        b"gEl" | b"gtreqqless" => "\u{2A8C}",
1567        b"lsime" => "\u{2A8D}",
1568        b"gsime" => "\u{2A8E}",
1569        b"lsimg" => "\u{2A8F}",
1570        b"gsiml" => "\u{2A90}",
1571        b"lgE" => "\u{2A91}",
1572        b"glE" => "\u{2A92}",
1573        b"lesges" => "\u{2A93}",
1574        b"gesles" => "\u{2A94}",
1575        b"els" | b"eqslantless" => "\u{2A95}",
1576        b"egs" | b"eqslantgtr" => "\u{2A96}",
1577        b"elsdot" => "\u{2A97}",
1578        b"egsdot" => "\u{2A98}",
1579        b"el" => "\u{2A99}",
1580        b"eg" => "\u{2A9A}",
1581        b"siml" => "\u{2A9D}",
1582        b"simg" => "\u{2A9E}",
1583        b"simlE" => "\u{2A9F}",
1584        b"simgE" => "\u{2AA0}",
1585        b"LessLess" => "\u{2AA1}",
1586        b"GreaterGreater" => "\u{2AA2}",
1587        b"glj" => "\u{2AA4}",
1588        b"gla" => "\u{2AA5}",
1589        b"ltcc" => "\u{2AA6}",
1590        b"gtcc" => "\u{2AA7}",
1591        b"lescc" => "\u{2AA8}",
1592        b"gescc" => "\u{2AA9}",
1593        b"smt" => "\u{2AAA}",
1594        b"lat" => "\u{2AAB}",
1595        b"smte" => "\u{2AAC}",
1596        b"late" => "\u{2AAD}",
1597        b"bumpE" => "\u{2AAE}",
1598        b"pre" | b"preceq" | b"PrecedesEqual" => "\u{2AAF}",
1599        b"sce" | b"succeq" | b"SucceedsEqual" => "\u{2AB0}",
1600        b"prE" => "\u{2AB3}",
1601        b"scE" => "\u{2AB4}",
1602        b"prnE" | b"precneqq" => "\u{2AB5}",
1603        b"scnE" | b"succneqq" => "\u{2AB6}",
1604        b"prap" | b"precapprox" => "\u{2AB7}",
1605        b"scap" | b"succapprox" => "\u{2AB8}",
1606        b"prnap" | b"precnapprox" => "\u{2AB9}",
1607        b"scnap" | b"succnapprox" => "\u{2ABA}",
1608        b"Pr" => "\u{2ABB}",
1609        b"Sc" => "\u{2ABC}",
1610        b"subdot" => "\u{2ABD}",
1611        b"supdot" => "\u{2ABE}",
1612        b"subplus" => "\u{2ABF}",
1613        b"supplus" => "\u{2AC0}",
1614        b"submult" => "\u{2AC1}",
1615        b"supmult" => "\u{2AC2}",
1616        b"subedot" => "\u{2AC3}",
1617        b"supedot" => "\u{2AC4}",
1618        b"subE" | b"subseteqq" => "\u{2AC5}",
1619        b"supE" | b"supseteqq" => "\u{2AC6}",
1620        b"subsim" => "\u{2AC7}",
1621        b"supsim" => "\u{2AC8}",
1622        b"subnE" | b"subsetneqq" => "\u{2ACB}",
1623        b"supnE" | b"supsetneqq" => "\u{2ACC}",
1624        b"csub" => "\u{2ACF}",
1625        b"csup" => "\u{2AD0}",
1626        b"csube" => "\u{2AD1}",
1627        b"csupe" => "\u{2AD2}",
1628        b"subsup" => "\u{2AD3}",
1629        b"supsub" => "\u{2AD4}",
1630        b"subsub" => "\u{2AD5}",
1631        b"supsup" => "\u{2AD6}",
1632        b"suphsub" => "\u{2AD7}",
1633        b"supdsub" => "\u{2AD8}",
1634        b"forkv" => "\u{2AD9}",
1635        b"topfork" => "\u{2ADA}",
1636        b"mlcp" => "\u{2ADB}",
1637        b"Dashv" | b"DoubleLeftTee" => "\u{2AE4}",
1638        b"Vdashl" => "\u{2AE6}",
1639        b"Barv" => "\u{2AE7}",
1640        b"vBar" => "\u{2AE8}",
1641        b"vBarv" => "\u{2AE9}",
1642        b"Vbar" => "\u{2AEB}",
1643        b"Not" => "\u{2AEC}",
1644        b"bNot" => "\u{2AED}",
1645        b"rnmid" => "\u{2AEE}",
1646        b"cirmid" => "\u{2AEF}",
1647        b"midcir" => "\u{2AF0}",
1648        b"topcir" => "\u{2AF1}",
1649        b"nhpar" => "\u{2AF2}",
1650        b"parsim" => "\u{2AF3}",
1651        b"parsl" => "\u{2AFD}",
1652        b"fflig" => "\u{FB00}",
1653        b"filig" => "\u{FB01}",
1654        b"fllig" => "\u{FB02}",
1655        b"ffilig" => "\u{FB03}",
1656        b"ffllig" => "\u{FB04}",
1657        b"Ascr" => "\u{1D49}",
1658        b"Cscr" => "\u{1D49}",
1659        b"Dscr" => "\u{1D49}",
1660        b"Gscr" => "\u{1D4A}",
1661        b"Jscr" => "\u{1D4A}",
1662        b"Kscr" => "\u{1D4A}",
1663        b"Nscr" => "\u{1D4A}",
1664        b"Oscr" => "\u{1D4A}",
1665        b"Pscr" => "\u{1D4A}",
1666        b"Qscr" => "\u{1D4A}",
1667        b"Sscr" => "\u{1D4A}",
1668        b"Tscr" => "\u{1D4A}",
1669        b"Uscr" => "\u{1D4B}",
1670        b"Vscr" => "\u{1D4B}",
1671        b"Wscr" => "\u{1D4B}",
1672        b"Xscr" => "\u{1D4B}",
1673        b"Yscr" => "\u{1D4B}",
1674        b"Zscr" => "\u{1D4B}",
1675        b"ascr" => "\u{1D4B}",
1676        b"bscr" => "\u{1D4B}",
1677        b"cscr" => "\u{1D4B}",
1678        b"dscr" => "\u{1D4B}",
1679        b"fscr" => "\u{1D4B}",
1680        b"hscr" => "\u{1D4B}",
1681        b"iscr" => "\u{1D4B}",
1682        b"jscr" => "\u{1D4B}",
1683        b"kscr" => "\u{1D4C}",
1684        b"lscr" => "\u{1D4C}",
1685        b"mscr" => "\u{1D4C}",
1686        b"nscr" => "\u{1D4C}",
1687        b"pscr" => "\u{1D4C}",
1688        b"qscr" => "\u{1D4C}",
1689        b"rscr" => "\u{1D4C}",
1690        b"sscr" => "\u{1D4C}",
1691        b"tscr" => "\u{1D4C}",
1692        b"uscr" => "\u{1D4C}",
1693        b"vscr" => "\u{1D4C}",
1694        b"wscr" => "\u{1D4C}",
1695        b"xscr" => "\u{1D4C}",
1696        b"yscr" => "\u{1D4C}",
1697        b"zscr" => "\u{1D4C}",
1698        b"Afr" => "\u{1D50}",
1699        b"Bfr" => "\u{1D50}",
1700        b"Dfr" => "\u{1D50}",
1701        b"Efr" => "\u{1D50}",
1702        b"Ffr" => "\u{1D50}",
1703        b"Gfr" => "\u{1D50}",
1704        b"Jfr" => "\u{1D50}",
1705        b"Kfr" => "\u{1D50}",
1706        b"Lfr" => "\u{1D50}",
1707        b"Mfr" => "\u{1D51}",
1708        b"Nfr" => "\u{1D51}",
1709        b"Ofr" => "\u{1D51}",
1710        b"Pfr" => "\u{1D51}",
1711        b"Qfr" => "\u{1D51}",
1712        b"Sfr" => "\u{1D51}",
1713        b"Tfr" => "\u{1D51}",
1714        b"Ufr" => "\u{1D51}",
1715        b"Vfr" => "\u{1D51}",
1716        b"Wfr" => "\u{1D51}",
1717        b"Xfr" => "\u{1D51}",
1718        b"Yfr" => "\u{1D51}",
1719        b"afr" => "\u{1D51}",
1720        b"bfr" => "\u{1D51}",
1721        b"cfr" => "\u{1D52}",
1722        b"dfr" => "\u{1D52}",
1723        b"efr" => "\u{1D52}",
1724        b"ffr" => "\u{1D52}",
1725        b"gfr" => "\u{1D52}",
1726        b"hfr" => "\u{1D52}",
1727        b"ifr" => "\u{1D52}",
1728        b"jfr" => "\u{1D52}",
1729        b"kfr" => "\u{1D52}",
1730        b"lfr" => "\u{1D52}",
1731        b"mfr" => "\u{1D52}",
1732        b"nfr" => "\u{1D52}",
1733        b"ofr" => "\u{1D52}",
1734        b"pfr" => "\u{1D52}",
1735        b"qfr" => "\u{1D52}",
1736        b"rfr" => "\u{1D52}",
1737        b"sfr" => "\u{1D53}",
1738        b"tfr" => "\u{1D53}",
1739        b"ufr" => "\u{1D53}",
1740        b"vfr" => "\u{1D53}",
1741        b"wfr" => "\u{1D53}",
1742        b"xfr" => "\u{1D53}",
1743        b"yfr" => "\u{1D53}",
1744        b"zfr" => "\u{1D53}",
1745        b"Aopf" => "\u{1D53}",
1746        b"Bopf" => "\u{1D53}",
1747        b"Dopf" => "\u{1D53}",
1748        b"Eopf" => "\u{1D53}",
1749        b"Fopf" => "\u{1D53}",
1750        b"Gopf" => "\u{1D53}",
1751        b"Iopf" => "\u{1D54}",
1752        b"Jopf" => "\u{1D54}",
1753        b"Kopf" => "\u{1D54}",
1754        b"Lopf" => "\u{1D54}",
1755        b"Mopf" => "\u{1D54}",
1756        b"Oopf" => "\u{1D54}",
1757        b"Sopf" => "\u{1D54}",
1758        b"Topf" => "\u{1D54}",
1759        b"Uopf" => "\u{1D54}",
1760        b"Vopf" => "\u{1D54}",
1761        b"Wopf" => "\u{1D54}",
1762        b"Xopf" => "\u{1D54}",
1763        b"Yopf" => "\u{1D55}",
1764        b"aopf" => "\u{1D55}",
1765        b"bopf" => "\u{1D55}",
1766        b"copf" => "\u{1D55}",
1767        b"dopf" => "\u{1D55}",
1768        b"eopf" => "\u{1D55}",
1769        b"fopf" => "\u{1D55}",
1770        b"gopf" => "\u{1D55}",
1771        b"hopf" => "\u{1D55}",
1772        b"iopf" => "\u{1D55}",
1773        b"jopf" => "\u{1D55}",
1774        b"kopf" => "\u{1D55}",
1775        b"lopf" => "\u{1D55}",
1776        b"mopf" => "\u{1D55}",
1777        b"nopf" => "\u{1D55}",
1778        b"oopf" => "\u{1D56}",
1779        b"popf" => "\u{1D56}",
1780        b"qopf" => "\u{1D56}",
1781        b"ropf" => "\u{1D56}",
1782        b"sopf" => "\u{1D56}",
1783        b"topf" => "\u{1D56}",
1784        b"uopf" => "\u{1D56}",
1785        b"vopf" => "\u{1D56}",
1786        b"wopf" => "\u{1D56}",
1787        b"xopf" => "\u{1D56}",
1788        b"yopf" => "\u{1D56}",
1789        b"zopf" => "\u{1D56}",
1790        _ => return None,
1791    };
1792    Some(s)
1793}
1794
1795fn parse_number(bytes: &str, range: Range<usize>) -> Result<char, EscapeError> {
1796    let code = if let Some(hex_digits) = bytes.strip_prefix('x') {
1797        parse_hexadecimal(hex_digits)
1798    } else {
1799        parse_decimal(bytes)
1800    }?;
1801    if code == 0 {
1802        return Err(EscapeError::EntityWithNull(range));
1803    }
1804    match std::char::from_u32(code) {
1805        Some(c) => Ok(c),
1806        None => Err(EscapeError::InvalidCodepoint(code)),
1807    }
1808}
1809
1810fn parse_hexadecimal(bytes: &str) -> Result<u32, EscapeError> {
1811    // maximum code is 0x10FFFF => 6 characters
1812    if bytes.len() > 6 {
1813        return Err(EscapeError::TooLongHexadecimal);
1814    }
1815    let mut code = 0;
1816    for b in bytes.bytes() {
1817        code <<= 4;
1818        code += match b {
1819            b'0'..=b'9' => b - b'0',
1820            b'a'..=b'f' => b - b'a' + 10,
1821            b'A'..=b'F' => b - b'A' + 10,
1822            b => return Err(EscapeError::InvalidHexadecimal(b as char)),
1823        } as u32;
1824    }
1825    Ok(code)
1826}
1827
1828fn parse_decimal(bytes: &str) -> Result<u32, EscapeError> {
1829    // maximum code is 0x10FFFF = 1114111 => 7 characters
1830    if bytes.len() > 7 {
1831        return Err(EscapeError::TooLongDecimal);
1832    }
1833    let mut code = 0;
1834    for b in bytes.bytes() {
1835        code *= 10;
1836        code += match b {
1837            b'0'..=b'9' => b - b'0',
1838            b => return Err(EscapeError::InvalidDecimal(b as char)),
1839        } as u32;
1840    }
1841    Ok(code)
1842}
1843
1844#[test]
1845fn test_unescape() {
1846    let unchanged = unescape("test").unwrap();
1847    // assert_eq does not check that Cow is borrowed, but we explicitly use Cow
1848    // because it influences diff
1849    // TODO: use assert_matches! when stabilized and other features will bump MSRV
1850    assert_eq!(unchanged, Cow::Borrowed("test"));
1851    assert!(matches!(unchanged, Cow::Borrowed(_)));
1852
1853    assert_eq!(unescape("&lt;test&gt;").unwrap(), "<test>");
1854    assert_eq!(unescape("&#x30;").unwrap(), "0");
1855    assert_eq!(unescape("&#48;").unwrap(), "0");
1856    assert!(unescape("&foo;").is_err());
1857}
1858
1859#[test]
1860fn test_unescape_with() {
1861    let custom_entities = |ent: &str| match ent {
1862        "foo" => Some("BAR"),
1863        _ => None,
1864    };
1865
1866    let unchanged = unescape_with("test", custom_entities).unwrap();
1867    // assert_eq does not check that Cow is borrowed, but we explicitly use Cow
1868    // because it influences diff
1869    // TODO: use assert_matches! when stabilized and other features will bump MSRV
1870    assert_eq!(unchanged, Cow::Borrowed("test"));
1871    assert!(matches!(unchanged, Cow::Borrowed(_)));
1872
1873    assert!(unescape_with("&lt;", custom_entities).is_err());
1874    assert_eq!(unescape_with("&#x30;", custom_entities).unwrap(), "0");
1875    assert_eq!(unescape_with("&#48;", custom_entities).unwrap(), "0");
1876    assert_eq!(unescape_with("&foo;", custom_entities).unwrap(), "BAR");
1877    assert!(unescape_with("&fop;", custom_entities).is_err());
1878}
1879
1880#[test]
1881fn test_escape() {
1882    let unchanged = escape("test");
1883    // assert_eq does not check that Cow is borrowed, but we explicitly use Cow
1884    // because it influences diff
1885    // TODO: use assert_matches! when stabilized and other features will bump MSRV
1886    assert_eq!(unchanged, Cow::Borrowed("test"));
1887    assert!(matches!(unchanged, Cow::Borrowed(_)));
1888
1889    assert_eq!(escape("<&\"'>"), "&lt;&amp;&quot;&apos;&gt;");
1890    assert_eq!(escape("<test>"), "&lt;test&gt;");
1891    assert_eq!(escape("\"a\"bc"), "&quot;a&quot;bc");
1892    assert_eq!(escape("\"a\"b&c"), "&quot;a&quot;b&amp;c");
1893    assert_eq!(
1894        escape("prefix_\"a\"b&<>c"),
1895        "prefix_&quot;a&quot;b&amp;&lt;&gt;c"
1896    );
1897}
1898
1899#[test]
1900fn test_partial_escape() {
1901    let unchanged = partial_escape("test");
1902    // assert_eq does not check that Cow is borrowed, but we explicitly use Cow
1903    // because it influences diff
1904    // TODO: use assert_matches! when stabilized and other features will bump MSRV
1905    assert_eq!(unchanged, Cow::Borrowed("test"));
1906    assert!(matches!(unchanged, Cow::Borrowed(_)));
1907
1908    assert_eq!(partial_escape("<&\"'>"), "&lt;&amp;\"'&gt;");
1909    assert_eq!(partial_escape("<test>"), "&lt;test&gt;");
1910    assert_eq!(partial_escape("\"a\"bc"), "\"a\"bc");
1911    assert_eq!(partial_escape("\"a\"b&c"), "\"a\"b&amp;c");
1912    assert_eq!(
1913        partial_escape("prefix_\"a\"b&<>c"),
1914        "prefix_\"a\"b&amp;&lt;&gt;c"
1915    );
1916}
1917
1918#[test]
1919fn test_minimal_escape() {
1920    assert_eq!(minimal_escape("test"), Cow::Borrowed("test"));
1921    assert_eq!(minimal_escape("<&\"'>"), "&lt;&amp;\"'>");
1922    assert_eq!(minimal_escape("<test>"), "&lt;test>");
1923    assert_eq!(minimal_escape("\"a\"bc"), "\"a\"bc");
1924    assert_eq!(minimal_escape("\"a\"b&c"), "\"a\"b&amp;c");
1925    assert_eq!(
1926        minimal_escape("prefix_\"a\"b&<>c"),
1927        "prefix_\"a\"b&amp;&lt;>c"
1928    );
1929}
quick_xml/escape.rs

quick_xml/
escape.rs
