Fix a single-backslash attribute selector (#1428)

Closes #1423
sass · Aug 11, 2021 · 3eca265 · 3eca265
1 parent 5f4994e
commit 3eca265
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,5 +1,8 @@
 ## 1.37.6
 
+* Fix a bug where quotes would be omitted for an attribute selector whose value
+  was a single backslash.
+
 * Allow `if` to be used as an unquoted string.
 
 * Properly parse backslash escapes within `url()` expressions.

diff --git a/lib/src/parse/parser.dart b/lib/src/parse/parser.dart
@@ -441,7 +441,7 @@ class Parser {
     var value = 0;
     var first = scanner.peekChar();
     if (first == null) {
-      return "";
+      scanner.error("Expected escape sequence.");
     } else if (isNewline(first)) {
       scanner.error("Expected escape sequence.");
     } else if (isHex(first)) {