               "while": "(?=^\\1\\s+(\\S|$))"
             },
             {
-              "begin": "^(\\s*)(?=[a-zA-Z0-9_$:@-])",
+              "begin": "^(\\s*)(?=[a-zA-Z0-9_$@])",
               "comment": "Normal concise tag",
               "patterns": [
                 {

        },
        {
          "comment": "Shorthand class or ID attribute",
          "match": "[#.][a-zA-Z0-9_$-]*",
          "name": "entity.other.attribute-name.marko"
        },
        {

              ]
            }
          },
          "match": "[a-zA-Z0-9_$@][a-zA-Z0-9_$@:-]*"
        }
      ]
    }
