Ticket #44820: 44820.diff

src/js/_enqueues/wp/code-editor.js

@@ -319 +319 @@
                                                 '=' === token.string && token.state.htmlState && token.state.htmlState.tagName;
                                 } else if ( 'css' === innerMode ) {
                                         shouldAutocomplete =
-                                                isAlphaKey ||
+                                                /[a-zA-Z]$/.test( token.string ) ||
                                                 ':' === event.key ||
                                                 ' ' === event.key && /:\s+$/.test( lineBeforeCursor );
                                 } else if ( 'javascript' === innerMode ) {