diff --git a/spec/fixtures/jade.cson b/spec/fixtures/jade.cson
new file mode 100644
index 0000000..44def5e
--- /dev/null
+++ b/spec/fixtures/jade.cson
@@ -0,0 +1,891 @@
+'fileTypes': [
+  'jade'
+]
+'name': 'Jade'
+'patterns': [
+  {
+    'comment': 'Doctype declaration.'
+    'match': '^(!!!|doctype)(\\s*[a-zA-Z0-9-_]+)?'
+    'name': 'comment.other.doctype.jade'
+  }
+  {
+    'begin': '^(\\s*)//-'
+    'comment': 'Unbuffered (jade-only) comments.'
+    'end': '^(?!(\\1\\s)|\\s*$)'
+    'name': 'comment.unbuffered.block.jade'
+  }
+  {
+    'begin': '^(\\s*)//'
+    'comment': 'Buffered (html) comments.'
+    'end': '^(?!(\\1\\s)|\\s*$)'
+    'name': 'string.comment.buffered.block.jade'
+    'patterns': [
+      {
+        'captures':
+          '1':
+            'name': 'invalid.illegal.comment.comment.block.jade'
+        'comment': 'Buffered comments inside buffered comments will generate invalid html.'
+        'match': '^\\s*(//)(?!-)'
+        'name': 'string.comment.buffered.block.jade'
+      }
+    ]
+  }
+  {
+    'begin': '^(\\s*)(script)(?=[.#(\\s])((?![^\\n]*type=)|(?=[^\\n]*text/javascript))'
+    'beginCaptures':
+      '2':
+        'name': 'entity.name.tag.script.jade'
+    'comment': 'Script tag with JavaScript code.'
+    'end': '^(?!(\\1\\s)|\\s*$)'
+    'name': 'source.script.jade'
+    'patterns': [
+      {
+        'begin': '\\G(?=\\()'
+        'end': '$'
+        'name': 'stuff.tag.script.jade'
+        'patterns': [
+          {
+            'include': '#tag_attributes'
+          }
+        ]
+      }
+      {
+        'begin': '\\G(?=[.#])'
+        'end': '$'
+        'name': 'stuff.tag.script.jade'
+        'patterns': [
+          {
+            'include': '#complete_tag'
+          }
+        ]
+      }
+      {
+        'include': 'source.js'
+      }
+    ]
+  }
+  {
+    'begin': '^(\\s*)(style)(?=[.#(\\s])'
+    'beginCaptures':
+      '2':
+        'name': 'entity.name.tag.script.jade'
+    'comment': 'Style tag with CSS code.'
+    'end': '^(?!(\\1\\s)|\\s*$)'
+    'name': 'source.style.jade'
+    'patterns': [
+      {
+        'begin': '\\G(?=\\()'
+        'end': '$'
+        'name': 'stuff.tag.style.jade'
+        'patterns': [
+          {
+            'include': '#tag_attributes'
+          }
+        ]
+      }
+      {
+        'begin': '\\G(?=[.#])'
+        'end': '$'
+        'name': 'stuff.tag.style.jade'
+        'patterns': [
+          {
+            'include': '#complete_tag'
+          }
+        ]
+      }
+      {
+        'include': 'source.css'
+      }
+    ]
+  }
+  {
+    'begin': '^(\\s*):(markdown)(?=\\(|$)$'
+    'beginCaptures':
+      '2':
+        'name': 'constant.language.name.markdown.filter.jade'
+    'end': '^(?!(\\1\\s)|\\s*$)'
+    'name': 'text.markdown.filter.jade'
+    'patterns': [
+      {
+        'include': '#filter_args'
+      }
+      {
+        'include': 'text.html.markdown'
+      }
+    ]
+  }
+  {
+    'begin': '^(\\s*):(sass)(?=\\(|$)$'
+    'beginCaptures':
+      '2':
+        'name': 'constant.language.name.sass.filter.jade'
+    'end': '^(?!(\\1\\s)|\\s*$)'
+    'name': 'source.sass.filter.jade'
+    'patterns': [
+      {
+        'include': '#filter_args'
+      }
+      {
+        'include': 'source.sass'
+      }
+    ]
+  }
+  {
+    'begin': '^(\\s*):(less)(?=\\(|$)$'
+    'beginCaptures':
+      '2':
+        'name': 'constant.language.name.less.filter.jade'
+    'end': '^(?!(\\1\\s)|\\s*$)'
+    'name': 'source.less.filter.jade'
+    'patterns': [
+      {
+        'include': '#filter_args'
+      }
+      {
+        'include': 'source.less'
+      }
+    ]
+  }
+  {
+    'begin': '^(\\s*):(stylus)(?=\\(|$)$'
+    'beginCaptures':
+      '2':
+        'name': 'constant.language.name.stylus.filter.jade'
+    'end': '^(?!(\\1\\s)|\\s*$)'
+    'name': 'source.stylus.filter.jade'
+    'patterns': [
+      {
+        'include': '#filter_args'
+      }
+      {
+        'include': 'source.stylus'
+      }
+    ]
+  }
+  {
+    'begin': '^(\\s*):(coffee(script)?)(?=\\(|$)'
+    'beginCaptures':
+      '2':
+        'name': 'constant.language.name.coffeescript.filter.jade'
+    'end': '^(?!(\\1\\s)|\\s*$)'
+    'name': 'source.coffeescript.filter.jade'
+    'patterns': [
+      {
+        'include': '#filter_args'
+      }
+      {
+        'include': 'source.coffee'
+      }
+    ]
+  }
+  {
+    'begin': '^(\\s*)((:(?=.))|(:$))'
+    'beginCaptures':
+      '4':
+        'name': 'invalid.illegal.empty.generic.filter.jade'
+    'comment': 'Generic Jade filter.'
+    'end': '^(?!(\\1\\s)|\\s*$)'
+    'name': 'text.generic.filter.jade'
+    'patterns': [
+      {
+        'begin': '\\G(?<=:)(?=.)'
+        'end': '$'
+        'name': 'name.generic.filter.jade'
+        'patterns': [
+          {
+            'match': '\\G\\('
+            'name': 'invalid.illegal.name.generic.filter.jade'
+          }
+          {
+            'match': '\\w'
+            'name': 'constant.language.name.generic.filter.jade'
+          }
+          {
+            'include': '#filter_args'
+          }
+          {
+            'match': '\\W'
+            'name': 'invalid.illegal.name.generic.filter.jade'
+          }
+        ]
+      }
+    ]
+  }
+  {
+    'begin': '^(\\s*)(?=[\\w.#].*?\\.$)(?=(?:(?:(?:(?:(?:#[\\w-]+)|(?:\\.[\\w-]+))|(?:(?:[#!]\\{[^}]*\\})|(?:\\w(?:(?:[\\w:-]+[\\w-])|(?:[\\w-]*)))))(?:(?:#[\\w-]+)|(?:\\.[\\w-]+)|(?:\\((?:[^()\\\'\\"]*(?:(?:\\\'(?:[^\\\']|(?:(?<!\\\\)\\\\\\\'))*\\\')|(?:\\"(?:[^\\"]|(?:(?<!\\\\)\\\\\\"))*\\")))*[^()]*\\))*)*)(?:(?:(?::\\s+)|(?<=\\)))(?:(?:(?:(?:#[\\w-]+)|(?:\\.[\\w-]+))|(?:(?:[#!]\\{[^}]*\\})|(?:\\w(?:(?:[\\w:-]+[\\w-])|(?:[\\w-]*)))))(?:(?:#[\\w-]+)|(?:\\.[\\w-]+)|(?:\\((?:[^()\\\'\\"]*(?:(?:\\\'(?:[^\\\']|(?:(?<!\\\\)\\\\\\\'))*\\\')|(?:\\"(?:[^\\"]|(?:(?<!\\\\)\\\\\\"))*\\")))*[^()]*\\))*)*))*)\\.$)(?:(?:(#[\\w-]+)|(\\.[\\w-]+))|((?:[#!]\\{[^}]*\\})|(?:\\w(?:(?:[\\w:-]+[\\w-])|(?:[\\w-]*)))))'
+    'beginCaptures':
+      '2':
+        'name': 'constant.id.tag.jade'
+      '3':
+        'name': 'constant.language.js'
+      '4':
+        'name': 'entity.name.tag.jade'
+    'comment': 'Generated from dot_block_tag.py'
+    'end': '^(?!(\\1\\s)|\\s*$)'
+    'name': 'text.block.dot.tag.jade'
+    'patterns': [
+      {
+        'include': '#tag_attributes'
+      }
+      {
+        'include': '#complete_tag'
+      }
+      {
+        'begin': '^(?=.)'
+        'end': '$'
+        'name': 'text.block.jade'
+        'patterns': [
+          {
+            'include': '#inline_jade'
+          }
+          {
+            'include': '#embedded_html'
+          }
+          {
+            'include': '#html_entity'
+          }
+          {
+            'include': '#interpolated_value'
+          }
+          {
+            'include': '#interpolated_error'
+          }
+        ]
+      }
+    ]
+  }
+
+  {
+    'begin': '^\\s*'
+    'comment': 'All constructs that generally span a single line starting with any number of white-spaces.'
+    'end': '$'
+    'name': 'tag.jade'
+    'patterns': [
+      {
+        'include': '#inline_jade'
+      }
+      {
+        'include': '#blocks_and_includes'
+      }
+      {
+        'include': '#unbuffered_code'
+      }
+      {
+        'include': '#mixins'
+      }
+      {
+        'include': '#flow_control'
+      }
+      {
+        'include': '#case_conds'
+      }
+      {
+        'begin': '\\|'
+        'comment': 'Tag pipe text line.'
+        'end': '$'
+        'name': 'text.block.pipe.jade'
+        'patterns': [
+          {
+            'include': '#inline_jade'
+          }
+          {
+            'include': '#embedded_html'
+          }
+          {
+            'include': '#html_entity'
+          }
+          {
+            'include': '#interpolated_value'
+          }
+          {
+            'include': '#interpolated_error'
+          }
+        ]
+      }
+      {
+        'include': '#printed_expression'
+      }
+      {
+        'begin': '\\G((?=<)|[^\\w.#]|(\\.[^\\w-]))|(#[^\\{\\w-])'
+        'comment': 'Line starting with characters incompatible with tag name/id/class is standalone text.'
+        'end': '$'
+        'name': 'text.jade'
+        'patterns': [
+          {
+            'include': '#inline_jade'
+          }
+          {
+            'include': '#embedded_html'
+          }
+          {
+            'include': '#html_entity'
+          }
+          {
+            'include': '#interpolated_value'
+          }
+          {
+            'include': '#interpolated_error'
+          }
+        ]
+      }
+      {
+        'include': '#complete_tag'
+      }
+    ]
+  }
+]
+'repository':
+  'blocks_and_includes':
+    'captures':
+      '1':
+        'name': 'storage.type.import.include.jade'
+      '4':
+        'name': 'variable.control.import.include.jade'
+    'comment': 'Template blocks and includes.'
+    'match': '(extends|include|yield|append|prepend|block( (append|prepend))?)\\s+(.*)$'
+    'name': 'meta.first-class.jade'
+  'brackets_js':
+    'begin': '\\['
+    'end': '\\]'
+    'name': 'js.value.attribute.tag.jade'
+    'patterns': [
+      {
+        'include': '#brackets_js'
+      }
+      {
+        'include': 'source.js'
+      }
+    ]
+  'case_conds':
+    'begin': '(default|when)((\\s+|(?=:))|$)'
+    'captures':
+      '1':
+        'name': 'storage.type.function.jade'
+    'comment': 'Jade case conditionals.'
+    'end': '$'
+    'name': 'meta.control.flow.jade'
+    'patterns': [
+      {
+        'begin': '\\G(?!:)'
+        'end': '(?=:\\s+)|$'
+        'name': 'js.embedded.control.flow.jade'
+        'patterns': [
+          {
+            'include': '#case_when_paren'
+          }
+          {
+            'include': 'source.js'
+          }
+        ]
+      }
+      {
+        'begin': ':\\s+'
+        'end': '$'
+        'name': 'tag.case.control.flow.jade'
+        'patterns': [
+          {
+            'include': '#complete_tag'
+          }
+        ]
+      }
+    ]
+  'case_when_paren':
+    'begin': '\\('
+    'end': '\\)'
+    'name': 'js.when.control.flow.jade'
+    'patterns': [
+      {
+        'include': '#case_when_paren'
+      }
+      {
+        'match': ':'
+        'name': 'invalid.illegal.name.tag.jade'
+      }
+      {
+        'include': 'source.js'
+      }
+    ]
+  'complete_tag':
+    'begin': '(?=[\\w.#])|(:\\s*)'
+    'end': '(\\.?$)|(?=:.)'
+    'name': 'complete_tag.jade'
+    'patterns': [
+      {
+        'include': '#blocks_and_includes'
+      }
+      {
+        'include': '#unbuffered_code'
+      }
+      {
+        'include': '#mixins'
+      }
+      {
+        'include': '#flow_control'
+      }
+      {
+        'match': '(?<=:)\\w.*$'
+        'name': 'invalid.illegal.name.tag.jade'
+      }
+      {
+        'include': '#tag_name'
+      }
+      {
+        'include': '#tag_id'
+      }
+      {
+        'include': '#tag_classes'
+      }
+      {
+        'include': '#tag_attributes'
+      }
+      {
+        'include': '#tag_mixin_attributes'
+      }
+      {
+        'captures':
+          '2':
+            'name': 'invalid.illegal.end.tag.jade'
+          '4':
+            'name': 'invalid.illegal.end.tag.jade'
+        'match': '((\\.)\\s+$)|((:)\\s*$)'
+      }
+      {
+        'include': '#printed_expression'
+      }
+      {
+        'include': '#tag_text'
+      }
+    ]
+  'embedded_html':
+    'begin': '(?=<[^>]*>)'
+    'end': '$|(?=>)'
+    'name': 'html'
+    'patterns': [
+      {
+        'include': 'text.html.basic'
+      }
+      {
+        'include': '#interpolated_value'
+      }
+      {
+        'include': '#interpolated_error'
+      }
+    ]
+  'filter_args':
+    'begin': '\\G(\\()'
+    'captures':
+      '1':
+        'name': 'meta.args.filter.jade'
+      '2':
+        'name': 'invalid.illegal.extra.args.filter.jade'
+    'end': '(\\))(.*?$)'
+    'name': 'args.filter.jade'
+    'patterns': [
+      {
+        'begin': '([^\\s(),=]+)(=?)'
+        'beginCaptures':
+          '1':
+            'name': 'entity.other.attribute-name.tag.jade'
+          '2':
+            'name': 'punctuation.separator.key-value.jade'
+        'contentName': 'string.value.args.filter.jade'
+        'end': '((?=\\))|,|$)'
+        'name': 'attributes.tag.jade'
+        'patterns': [
+          {
+            'include': '#filter_args_paren'
+          }
+        ]
+      }
+    ]
+  'filter_args_paren':
+    'begin': '\\('
+    'end': '\\)|$'
+    'patterns': [
+      {
+        'include': '#filter_args_paren'
+      }
+    ]
+  'flow_control':
+    'begin': '(for|if|else if|else|each|until|while|unless|case)(\\s+|$)'
+    'captures':
+      '1':
+        'name': 'storage.type.function.jade'
+    'comment': 'Jade control flow.'
+    'end': '$'
+    'name': 'meta.control.flow.jade'
+    'patterns': [
+      {
+        'begin': ''
+        'end': '$'
+        'name': 'js.embedded.control.flow.jade'
+        'patterns': [
+          {
+            'include': 'source.js'
+          }
+        ]
+      }
+    ]
+  'html_entity':
+    'patterns': [
+      {
+        'match': '(&)([a-zA-Z0-9]+|#[0-9]+|#x[0-9a-fA-F]+)(;)'
+        'name': 'constant.character.entity.html.text.jade'
+      }
+      {
+        'match': '[<>&]'
+        'name': 'invalid.illegal.html_entity.text.jade'
+      }
+    ]
+  'inline_jade':
+    'begin': '(?<!\\\\)(#\\[)'
+    'captures':
+      '1':
+        'name': 'entity.name.function.jade'
+      '2':
+        'name': 'entity.name.function.jade'
+    'end': '(\\])'
+    'name': 'inline.jade'
+    'patterns': [
+      {
+        'include': '#inline_jade'
+      }
+      {
+        'include': '#mixins'
+      }
+      {
+        'begin': '(?<!\\])(?=[\\w.#])|(:\\s*)'
+        'end': '(?=\\]|(:.)|=|\\s)'
+        'name': 'tag.inline.jade'
+        'patterns': [
+          {
+            'include': '#tag_name'
+          }
+          {
+            'include': '#tag_id'
+          }
+          {
+            'include': '#tag_classes'
+          }
+          {
+            'include': '#tag_attributes'
+          }
+          {
+            'include': '#tag_mixin_attributes'
+          }
+          {
+            'include': '#inline_jade'
+          }
+          {
+            'match': '\\['
+            'name': 'invalid.illegal.tag.jade'
+          }
+        ]
+      }
+      {
+        'include': '#unbuffered_code'
+      }
+      {
+        'include': '#printed_expression'
+      }
+      {
+        'match': '\\['
+        'name': 'invalid.illegal.tag.jade'
+      }
+      {
+        'include': '#inline_jade_text'
+      }
+    ]
+  'inline_jade_text':
+    'begin': ''
+    'end': '(?=\\])'
+    'name': 'text.jade'
+    'patterns': [
+      {
+        'begin': '\\['
+        'end': '\\]'
+        'patterns': [
+          {
+            'include': '#inline_jade_text'
+          }
+        ]
+      }
+      {
+        'include': '#inline_jade'
+      }
+      {
+        'include': '#embedded_html'
+      }
+      {
+        'include': '#html_entity'
+      }
+      {
+        'include': '#interpolated_value'
+      }
+      {
+        'include': '#interpolated_error'
+      }
+    ]
+  'interpolated_error':
+    'match': '(?<!\\\\)[#!]\\{(?=[^}]*$)'
+    'name': 'invalid.illegal.tag.jade'
+  'interpolated_value':
+    'begin': '(?<!\\\\)[#!]\\{(?=.*?\\})'
+    'end': '\\}'
+    'name': 'string.interpolated.jade'
+    'patterns': [
+      {
+        'match': '{'
+        'name': 'invalid.illegal.tag.jade'
+      }
+      {
+        'include': 'source.js'
+      }
+    ]
+  'mixins':
+    'begin': '(((mixin\\s+)|\\+)([\\w-]+))\\s*'
+    'beginCaptures':
+      '2':
+        'name': 'storage.type.function.jade'
+      '4':
+        'name': 'entity.name.function.jade'
+    'comment': 'Mixin declaration and use, including the new \'+\' syntax.'
+    'end': '(?=\\])|$'
+    'name': 'meta.mixin.jade'
+    'patterns': [
+      {
+        'begin': ''
+        'end': '(?=\\])|$'
+        'name': 'args.mixin.jade'
+        'patterns': [
+          {
+            'include': '#tag_attribute_value_paren'
+          }
+          {
+            'include': '#tag_attribute_value_brackets'
+          }
+          {
+            'include': '#tag_attribute_value_braces'
+          }
+          {
+            'include': 'source.js'
+          }
+        ]
+      }
+    ]
+  'printed_expression':
+    'begin': '(!?\\=)\\s*'
+    'captures':
+      '1':
+        'name': 'constant'
+    'end': '(?=\\])|$'
+    'patterns': [
+      {
+        'include': '#brackets_js'
+      }
+      {
+        'include': 'source.js'
+      }
+    ]
+  'string':
+    'begin': '([\'"])'
+    'end': '(?<!\\\\)\\1'
+    'name': 'string.quoted.jade'
+    'patterns': [
+      {
+        'match': '\\\\((x[0-9a-fA-F]{2})|(u[0-9]{4})|.)'
+        'name': 'constant.character.quoted.jade'
+      }
+      {
+        'include': '#interpolated_value'
+      }
+      {
+        'include': '#interpolated_error'
+      }
+    ]
+  'tag_attribute_value_braces':
+    'begin': '\\{'
+    'end': '\\}'
+    'name': 'js.value.attribute.tag.jade'
+    'patterns': [
+      {
+        'include': '#tag_attribute_value_paren'
+      }
+      {
+        'include': '#tag_attribute_value_brackets'
+      }
+      {
+        'include': '#tag_attribute_value_braces'
+      }
+      {
+        'include': '#string'
+      }
+      {
+        'include': 'source.js'
+      }
+    ]
+  'tag_attribute_value_brackets':
+    'begin': '\\['
+    'end': '\\]'
+    'name': 'js.value.attribute.tag.jade'
+    'patterns': [
+      {
+        'include': '#tag_attribute_value_paren'
+      }
+      {
+        'include': '#tag_attribute_value_brackets'
+      }
+      {
+        'include': '#tag_attribute_value_braces'
+      }
+      {
+        'include': '#string'
+      }
+      {
+        'include': 'source.js'
+      }
+    ]
+  'tag_attribute_value_paren':
+    'begin': '\\('
+    'end': '\\)'
+    'name': 'js.value.attribute.tag.jade'
+    'patterns': [
+      {
+        'include': '#tag_attribute_value_paren'
+      }
+      {
+        'include': '#tag_attribute_value_brackets'
+      }
+      {
+        'include': '#tag_attribute_value_braces'
+      }
+      {
+        'include': '#string'
+      }
+      {
+        'include': 'source.js'
+      }
+    ]
+  'tag_attributes':
+    'begin': '(\\()'
+    'captures':
+      '1':
+        'name': 'constant.name.attribute.tag.jade'
+    'end': '(\\))'
+    'name': 'attributes.tag.jade'
+    'patterns': [
+      {
+        'captures':
+          '1':
+            'name': 'entity.other.attribute-name.tag.jade'
+        'match': '([^\\s(),=/]+)\\s*((?=\\))|,|\\s+|$)(?!=)'
+        'name': 'attributes.tag.jade'
+      }
+      {
+        'begin': '([^\\s(),=/]*[^\\s(),=!/])\\s*(!?\\=)'
+        'beginCaptures':
+          '1':
+            'name': 'entity.other.attribute-name.tag.jade'
+          '2':
+            'name': 'punctuation.separator.key-value.jade'
+        'end': '(,|$|(?=\\)|((?<![+/*|&=:^~!?<>%-])\\s+[^+/*|&=:^~!?<>%-])))'
+        'name': 'attributes.tag.jade'
+        'patterns': [
+          {
+            'include': '#tag_attribute_value_paren'
+          }
+          {
+            'include': '#tag_attribute_value_brackets'
+          }
+          {
+            'include': '#tag_attribute_value_braces'
+          }
+          {
+            'include': '#string'
+          }
+          {
+            'include': 'source.js'
+          }
+        ]
+      }
+    ]
+  'tag_classes':
+    'match': '\\.[\\w-]+'
+    'name': 'constant.language.js'
+  'tag_id':
+    'match': '#[\\w-]+'
+    'name': 'constant.id.tag.jade'
+  'tag_mixin_attributes':
+    'begin': '(&attributes\\()'
+    'captures':
+      '1':
+        'name': 'entity.name.function.jade'
+    'end': '(\\))'
+    'name': 'attributes.tag.jade'
+    'patterns': [
+      {
+        'match': 'attributes(?=\\))'
+        'name': 'storage.type.keyword.jade'
+      }
+      {
+        'include': 'source.js'
+      }
+    ]
+  'tag_name':
+    'begin': '([#!]\\{(?=.*?\\}))|(\\w(([\\w:-]+[\\w-])|([\\w-]*)))'
+    'end': '(\\G(?<!\\5[^\\w-]))|\\}|$'
+    'name': 'entity.name.tag.jade'
+    'patterns': [
+      {
+        'begin': '\\G(?<=\\{)'
+        'end': '(?=\\})'
+        'name': 'entity.name.tag.jade'
+        'patterns': [
+          {
+            'match': '{'
+            'name': 'invalid.illegal.tag.jade'
+          }
+          {
+            'include': 'source.js'
+          }
+        ]
+      }
+    ]
+  'tag_text':
+    'begin': '(?=.)'
+    'end': '$'
+    'name': 'text.jade'
+    'patterns': [
+      {
+        'include': '#inline_jade'
+      }
+      {
+        'include': '#embedded_html'
+      }
+      {
+        'include': '#html_entity'
+      }
+      {
+        'include': '#interpolated_value'
+      }
+      {
+        'include': '#interpolated_error'
+      }
+    ]
+  'unbuffered_code':
+    'begin': '(-|(([a-zA-Z0-9_]+)\\s+=))'
+    'beginCaptures':
+      '3':
+        'name': 'variable.parameter.javascript.embedded.jade'
+    'comment': 'name = function() {}'
+    'end': '(?=\\])|$'
+    'name': 'javascript.embedded.jade'
+    'patterns': [
+      {
+        'include': '#brackets_js'
+      }
+      {
+        'include': 'source.js'
+      }
+    ]
+'scopeName': 'source.jade'
diff --git a/spec/grammar-spec.coffee b/spec/grammar-spec.coffee
index 05ca879..f6d6602 100644
--- a/spec/grammar-spec.coffee
+++ b/spec/grammar-spec.coffee
@@ -796,6 +796,64 @@ describe "Grammar tokenization", ->
             "support.constant.color.w3c-standard-color-name.css"
           ]
 
+    describe "Jade", ->
+      describe "it handles comments", ->
+        it "correctly handles a single line comment", ->
+          loadGrammarSync "jade.cson"
+          grammar = registry.grammarForScopeName("source.jade")
+          {tokens} = grammar.tokenizeLine "//- A comment"
+
+          expect(tokens[0].scopes).toEqual [
+            'source.jade'
+            'comment.unbuffered.block.jade'
+          ]
+
+          expect(tokens[1].scopes).toEqual [
+            'source.jade'
+            'comment.unbuffered.block.jade'
+          ]
+
+        it "correctly handles a single line comment after content", ->
+          loadGrammarSync "jade.cson"
+          grammar = registry.grammarForScopeName("source.jade")
+          lines = grammar.tokenizeLines """
+            h1 Header
+
+            //- A comment
+          """
+
+          expect(lines[2][0].scopes).toEqual [
+            'source.jade'
+            'comment.unbuffered.block.jade'
+          ]
+
+          expect(lines[2][1].scopes).toEqual [
+            'source.jade'
+            'comment.unbuffered.block.jade'
+          ]
+
+        it "correctly handles odd-line comments", ->
+          loadGrammarSync "jade.cson"
+          grammar = registry.grammarForScopeName("source.jade")
+          lines = grammar.tokenizeLines """
+            h1 Header
+
+
+
+            //- A comment
+          """
+
+          expect(lines[4][0].scopes).toEqual [
+            'source.jade'
+            'comment.unbuffered.block.jade'
+          ]
+
+          expect(lines[4][1].scopes).toEqual [
+            'source.jade'
+            'comment.unbuffered.block.jade'
+          ]
+
+
   describe "when the position doesn't advance", ->
     it "logs an error and tokenizes the remainder of the line", ->
       spyOn(console, 'error')