prism-yaml.js in highlighting-0.1.3

- old
+ new

@@ -4,10 +4,10 @@
 		lookbehind: true,
 		alias: 'string'
 	},
 	'comment': /#.*/,
 	'key': {
-		pattern: /(\s*[:\-,[{\r\n?][ \t]*(![^\s]+)?[ \t]*)[^\r\n{[\]},#]+?(?=\s*:\s)/,
+		pattern: /(\s*(?:^|[:\-,[{\r\n?])[ \t]*(![^\s]+)?[ \t]*)[^\r\n{[\]},#\s]+?(?=\s*:\s)/,
 		lookbehind: true,
 		alias: 'atrule'
 	},
 	'directive': {
 		pattern: /(^[ \t]*)%.+/m,