docs: fix Unicode text in Fraktur font (#3873)

* docs: fix Unicode text in Fraktur font Fix Fraktur font documentation by correcting spelling and not attempting to use the Unicode symbols in text mode. Fixes #3867 * Update docs/supported.md Co-authored-by: Untitled_unrevised <348070954@qq.com> --------- Co-authored-by: Untitled_unrevised <348070954@qq.com>
KaTeX · Apr 18, 2024 · 347e578 · 347e578
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commit 347e578
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diff --git a/docs/supported.md b/docs/supported.md
@@ -205,8 +205,8 @@ Math-mode Unicode (sub|super)script characters will render as if you had written
 | Italic      | $\text{𝐴-𝑍 𝑎-𝑧}$      | Sans serif        | $\text{𝖠-𝖹 𝖺-𝗓 𝟢-𝟫}$
 | Bold Italic | $\text{𝑨-𝒁 𝒂-𝒛}$      | Sans serif bold   | $\text{𝗔-𝗭 𝗮-𝘇 𝟬-𝟵}$
 | Script      | $\text{𝒜-𝒵}$         | Sans serif italic | $\text{𝘈-𝘡 𝘢-𝘻}$
-|  Fractur    | $\text{𝔄-ℨ}\text{ 𝔞-𝔷}$| Monospace        | $\text{𝙰-𝚉 𝚊-𝚣 𝟶-𝟿}$
-| Bold Fractur | $\text{𝕬-𝖅}\text{𝖆-𝖟}$ | |
+| Fraktur     | $\text{$𝔄$-$ℨ$}\text{ $𝔞$-$𝔷$}$| Monospace        | $\text{𝙰-𝚉 𝚊-𝚣 𝟶-𝟿}$
+| Bold Fraktur | $\text{𝕬-𝖅 𝖆-𝖟}$ | |
 
 </div>
 <div class="katex-hopscotch">

diff --git a/src/symbols.js b/src/symbols.js
@@ -812,11 +812,11 @@ for (let i = 0; i < letters.length; i++) {
     defineSymbol(math, main, mathord, ch, wideChar);
     defineSymbol(text, main, textord, ch, wideChar);
 
-    wideChar = String.fromCharCode(0xD835, 0xDD04 + i);  // A-Z a-z Fractur
+    wideChar = String.fromCharCode(0xD835, 0xDD04 + i);  // A-Z a-z Fraktur
     defineSymbol(math, main, mathord, ch, wideChar);
     defineSymbol(text, main, textord, ch, wideChar);
 
-    wideChar = String.fromCharCode(0xD835, 0xDD6C + i);  // A-Z a-z bold Fractur
+    wideChar = String.fromCharCode(0xD835, 0xDD6C + i);  // A-Z a-z bold Fraktur
     defineSymbol(math, main, mathord, ch, wideChar);
     defineSymbol(text, main, textord, ch, wideChar);