Escape unprintable 0x7F (delete control character) (#2144)

Co-authored-by: Natalie Weizenbaum <[email protected]>
sass · Dec 11, 2023 · 6f665c1 · 6f665c1
1 parent f5dab76
commit 6f665c1
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -3,6 +3,8 @@
 * Produce better output for numbers with complex units in `meta.inspect()` and
   debugging messages.
 
+* Escape U+007F DELETE when serializing strings.
+
 * When generating CSS error messages to display in-browser, escape all code
   points that aren't in the US-ASCII region. Previously only code points U+0100
   LATIN CAPITAL LETTER A WITH MACRON were escaped.

diff --git a/lib/src/visitor/serialize.dart b/lib/src/visitor/serialize.dart
@@ -1090,7 +1090,8 @@ final class _SerializeVisitor
               $fs ||
               $gs ||
               $rs ||
-              $us:
+              $us ||
+              $del:
           _writeEscape(buffer, char, string, i);
 
         case $backslash: