diff --git a/application.py b/application.py
index 4fdebfb..9a9a58b 100755
--- a/application.py
+++ b/application.py
@@ -177,7 +177,7 @@ class Application(object):
             'haskell', 'erlang', 'iperl', 'iperlmini', 'ipython', 'ipythonmini',
             'awk', 'shell', 'shellmini', 'fstab', 'yacc', 'pipe', 'mbox',
             'error', 'lua', 'lily', 'forth', 'ebnf', 'colortest', 'go',
-            'inform6', 'scala', 'markdown', 'roy',
+            'inform6', 'scala', 'markdown', 'roy', 'twine',
         )
         for name in names:
             exec("import mode.%s; mode.%s.install(self)" % (name, name))
diff --git a/mode/twine.py b/mode/twine.py
new file mode 100644
index 0000000..3bbb40b
--- /dev/null
+++ b/mode/twine.py
@@ -0,0 +1,175 @@
+from lex import Grammar, PatternRule, RegionRule, OverrideRegionRule, PatternMatchRule
+from mode import Fundamental
+from method import Method, WrapParagraph
+from mode.text import TextInsertSpace
+
+from mode.c import CGrammar
+from mode.html import HTMLGrammar
+from mode.java import JavaGrammar
+from mode.javascript import JavascriptGrammar
+from mode.python import PythonGrammar
+from mode.scala import ScalaGrammar
+from mode.sql import SqlGrammar
+from mode.xml import XMLGrammar
+
+class LineGrammar(Grammar): pass
+LineGrammar.rules = [
+    PatternRule('line', r'.+'),
+    PatternRule('eol', r'\n'),
+]
+
+class WordGrammar(Grammar): pass
+WordGrammar.rules = [
+    PatternRule('word', r'[A-Za-z0-9_]+'),
+]
+
+class CmdGrammar(Grammar): pass
+CmdGrammar.rules = [
+    PatternRule('tw.var', r'\$[a-zA-Z0-9_]+'),
+    PatternRule('tw.keyword', '(?<=<<)[a-zA-Z0-9_]+'),
+    PatternRule('tw.op', r'(?:eq|neq|gte|gt|lte|lt|and|or|not)'),
+    PatternRule('arg', r'"(?:[^\\"]|\.)*"'),
+    PatternRule('arg', r"'(?:[^\\']|\.)*'"),
+    PatternRule('spaces', r' +'),
+]
+
+class TwineGrammar(Grammar): pass
+TwineGrammar.rules = [
+    #PatternRule('md.head1', r'^#.+'),
+    #PatternRule('md.head2', r'^##.+'),
+    #PatternRule('md.head3', r'^###.+'),
+    #PatternRule('md.head4', r'^####.+'),
+    #PatternRule('md.head5', r'^#####.+'),
+    #PatternRule('md.head6', r'^######.+'),
+    #
+    #RegionRule('md.tag', r'^<(?P<tag>[a-zA-Z_][a-zA-Z0-9_]*)>$', HTMLGrammar, r'^</%(tag)s>$'),
+    #
+    #PatternRule('md.bullet', r'^\s*[\*\-\*] '),
+    #
+    #PatternMatchRule('', r'(\[.+?\])(\(.+?\))', 'md.linkname', 'md.linkurl'),
+    #
+    #PatternRule('md.block3', r'^(?:>\s*>\s*>\s*)*>\s*>\s*>(?:[^>].*)?\n$'),
+    #PatternRule('md.block2', r'^(?:>\s*>\s*>\s*)*>\s*>(?:[^>].*)?\n$'),
+    #PatternRule('md.block1', r'^(?:>\s*>\s*>\s*)*>(?:[^>].*)?\n$'),
+    #
+    #PatternRule('md.code', r'^(?:    |\t).*$'),
+    #
+    #PatternRule('md.inlinelink', r'http://[^`*\t(){}\[\] ]+'),
+    #
+    #RegionRule('md.lang', r'^```c$', CGrammar, r'^```'),
+    #RegionRule('md.lang', r'^```html$', HTMLGrammar, r'^```'),
+    #RegionRule('md.lang', r'^```(?:javascript|js)$', JavascriptGrammar, r'^```'),
+    #RegionRule('md.lang', r'^```java$', JavaGrammar, r'^```'),
+    #RegionRule('md.lang', r'^```python$', PythonGrammar, r'^```'),
+    #RegionRule('md.lang', r'^```scala$', ScalaGrammar, r'^```'),
+    #RegionRule('md.lang', r'^```sql$', SqlGrammar, r'^```'),
+    #RegionRule('md.lang', r'^```xml$', XMLGrammar, r'^```'),
+    #
+    #RegionRule('md.code', r'^```.+$', LineGrammar, r'^```'),
+    #
+    #RegionRule('md.bold', r'\*\*', TwineGrammar, r'\*\*'),
+    #RegionRule('md.tt', r'``', TwineGrammar, r'``'),
+    #
+    #RegionRule('md.bold', r'\*', TwineGrammar, r'\*'),
+    #RegionRule('md.tt', r'`', WordGrammar, r'`'),
+    
+    #PatternRule('md.escaped', r'\\.'),
+
+    PatternRule('tw.passage', r'::.+'),
+
+    PatternMatchRule('', '(\[\[)([^\[\]|]*)(\|)([^\[\]|]*)(\]\])',
+                     'tw.passage', 'tw.link', 'tw.passage', 'tw.passage', 'tw.passage'),
+    PatternMatchRule('', r'(\[\[)([^\[\]|]*)(\]\])',
+                     'tw.passage', 'tw.link', 'tw.passage'),
+
+    PatternRule('tw.keyword', '(?<=<<)[a-zA-Z0-9_]+'),
+
+    #RegionRule('tw.cmd', r'<<', None, r'>>'),
+    RegionRule('tw.cmd', r'<<', CmdGrammar, r'>>'),
+
+    #PatternMatchRule('', r'(<<choice +\")(.+?)(\" +\")(.+?)(\" *>>)',
+    #                 'tw.choice', 'tw.passage', 'tw.choice', 'tw.link', 'tw.choice'),
+    #PatternMatchRule('', r'(<<choice +\")(.+?)(\" *>>)',
+    #                 'tw.choice', 'tw.link', 'tw.choice'),
+
+    PatternRule('tw.var', r'\$[a-zA-Z0-9_]+'),
+    RegionRule('tw.html', r'<html>', Grammar, r'</html>'),
+
+    #PatternRule('tw.link', r'[[a-zA-Z\'"\-]+'),
+    PatternRule('tw.word', r'[a-zA-Z\'"\-]+'),
+    #RegionRule('tw.html', r'<html>', HTMLGrammar, r'</html>'),
+
+    PatternRule('spaces', '\s+'),
+    PatternRule('eol', r'\n'),
+    PatternRule('null', r'.'),
+]
+
+
+class TwWrapParagraph(WrapParagraph):
+    limit = 75
+#class TwInsertSpace(TextInsertSpace):
+#    limit   = 75
+#    wrapper = TwWrapParagraph
+
+# white is for delimiters, operators, numbers
+default = ('default', 'default')
+
+# magenta is for keywords/builtins
+lo_magenta = ('magenta202', 'default')
+hi_magenta = ('magenta414', 'default')
+
+# red is for comments
+lo_red = ('red300', 'default')
+hi_red = ('red511', 'default')
+
+# orange is for macro definitions, headers and constants
+hi_orange = ('yellow531', 'default')
+lo_orange = ('yellow520', 'default')
+
+# yellow is for parts of macros
+hi_yellow = ('yellow551', 'default')
+lo_yellow = ('yellow330', 'default')
+
+# green is for strings and characters
+lo_green = ('green030', 'default')
+hi_green = ('green050', 'default')
+
+# cyan is for types
+lo_cyan = ('cyan033', 'default')
+hi_cyan = ('cyan155', 'default')
+
+# blue is definitions, functions and some macros
+lo_blue = ('blue113', 'default')
+hi_blue = ('blue225', 'default')
+
+class Twine(Fundamental):
+    name       = 'Twine'
+    extensions = ['.tw']
+    grammar    = TwineGrammar
+    colors     = {
+        'tw.passage': hi_magenta,
+        'tw.delim': hi_magenta,
+        'tw.link': hi_cyan,
+        'tw.var': hi_yellow,
+        #'tw.choice': hi_orange,
+        'tw.cmd.start': hi_orange,
+        'tw.keyword': hi_orange,
+        'tw.op': hi_magenta,
+        'tw.cmd.arg': hi_yellow,
+        'tw.cmd.end': hi_orange,
+
+        'tw.html.start': hi_green,
+        'tw.html.null': hi_green,
+        'tw.html.end': hi_green,
+
+        'tw.word': default,
+    }
+    actions = [TwWrapParagraph]
+    config = {
+        'tw.margin': 75,
+    }
+    _bindings = {
+        'tw-wrap-paragraph': ('M-q',),
+    }
+
+install = Twine.install