fix markup tests

Author: joshgoebel

CHANGES.md

@@ -7,6 +7,7 @@ CAVEATS / POTENTIALLY BREAKING CHANGES
 
 Core Grammars:
 
+- fix(rust) - adds emoji support in single quote strings [joshgoebel][]
 - fix(makefile) - allow strings inside `$()` expressions [aneesh98][]
 - enh(css) add all properties listed on MDN (96 additions including `anchor-name`, `aspect-ratio`, `backdrop-filter`, `container`, `margin-trim`, `place-content`, `scroll-timeline`, ...) [BaliBalo][]
 - enh(erlang) OTP 27 triple-quoted strings [nixxquality][]

test/markup/rust/strings.expect.txt

@@ -1,8 +1,8 @@
 <span class="hljs-string">&#x27;a&#x27;</span>;
-<span class="hljs-string">&#x27;\n&#x27;</span>;
-<span class="hljs-string">&#x27;\x1A&#x27;</span>;
-<span class="hljs-string">&#x27;\u12AS&#x27;</span>;
-<span class="hljs-string">&#x27;\U1234ASDF&#x27;</span>;
+<span class="hljs-string">&#x27;<span class="hljs-char escape_">\n</span>&#x27;</span>;
+<span class="hljs-string">&#x27;<span class="hljs-char escape_">\x</span>1A&#x27;</span>;
+<span class="hljs-string">&#x27;<span class="hljs-char escape_">\u</span>12AS&#x27;</span>;
+<span class="hljs-string">&#x27;<span class="hljs-char escape_">\U</span>1234ASDF&#x27;</span>;
 <span class="hljs-string">b&#x27;a&#x27;</span>;
 
 <span class="hljs-string">&quot;hello&quot;</span>;