fix(nested.html): interpolated attribute names

Author: blake-regalia

nested/build/base-packages/HTML/HTML.sublime-syntax

@@ -203,7 +203,7 @@ contexts:
           scope: punctuation.definition.tag.end.html
           pop: true
         - include: tag-attributes
-    - match: '(</?)(?=\${)'
+    - match: '(</?)(?=\$\{)'
       captures:
         '1': punctuation.definition.tag.begin.html
       push:
@@ -400,7 +400,7 @@ contexts:
           pop: true
         - include: entities
   tag-generic-attribute:
-    - match: '(?={{attribute_char}})'
+    - match: '(?={{attribute_char}}|=)'
       scope: entity.other.attribute-name.html
       push:
         - tag-generic-attribute-meta

nested/src/syntax.js

@@ -48,6 +48,11 @@ const h_syntax_transforms = {
 			a_rules.splice(1, 0, interp_escape_lookahead());
 		},
 
+		// allow for empty attribute names so they can be interpolated
+		'$.contexts["tag-generic-attribute"][0]': (g_rule) => {
+			g_rule.match = g_rule.match.replace(/(\)?)$/, '|=$1');
+		},
+
 		'$.contexts': (h_contexts) => {
 			// each context
 			for(let [si_context, a_rules] of Object.entries(h_contexts)) {