commit d39adb911efacf74a7e2f1b17d7a723a374edd86
Author: rhiannon morris <rhi@rhiannon.website>
Date:   Wed Mar 16 03:17:04 2022 +0100

    first

diff --git a/ftdetect/maude.vim b/ftdetect/maude.vim
new file mode 100644
index 0000000..a04d92b
--- /dev/null
+++ b/ftdetect/maude.vim
@@ -0,0 +1 @@
+autocmd BufRead,BufNewFile *.maude,*.fm setfiletype maude
diff --git a/syntax/maude.vim b/syntax/maude.vim
new file mode 100644
index 0000000..dadc0df
--- /dev/null
+++ b/syntax/maude.vim
@@ -0,0 +1,68 @@
+" Maude syntax file.
+
+if exists('b:current_syntax')
+  finish
+endif
+let b:current_syntax = 'maude'
+
+" also most other things...
+setlocal iskeyword+=-
+
+setlocal commentstring=***%s comments=b:***,b:---
+
+
+syn keyword maudeModule mod endm fmod endfm th endth fth endfth is
+hi def link maudeModule Structure
+
+syn keyword maudeView view from to endv
+hi def link maudeView maudeModule
+
+syn keyword maudeImport protecting pr including inc extending ex
+hi def link maudeImport Include
+
+syn keyword maudeSort sort sorts subsort subsorts
+hi def link maudeSort StorageClass
+
+
+syn keyword maudeOp op ops
+hi def link maudeOp Constant
+
+syn keyword maudeVar var vars
+hi def link maudeVar Identifier
+
+syn keyword maudeEq eq ceq
+hi def link maudeEq Function
+
+syn keyword maudeRl rl crl
+hi def link maudeRl maudeEq
+
+syn keyword maudeMb mb cmb
+hi def link maudeMb maudeEq
+
+syn keyword maudeIf if
+syn match maudeIf '/\\'
+hi def link maudeIf Conditional
+
+syn match maudeUnderscore '_'
+hi def link maudeUnderscore Special
+
+syn match maudePunc '\%(^\|\s\)\zs\%(::\?\|->\|=>\|=\%(=\|/=\)\?\)\ze\%(\s\|$\)'
+hi def link maudePunc Operator
+
+syn match maudeDelim '[{}\[\](),]\|\%(^\|\s\)\zs\.\ze\%(\s\|$\)'
+hi def link maudeDelim Delimiter
+
+
+syn keyword maudeCommand reduce red rewrite rew load set quit
+hi def link maudeCommand Special
+
+
+syn region maudeComment start='\%(^\|\s\)\zs\%(\*\*\*\|---\)' end='$'
+  \ contains=maudeCommentP,maudeTodo
+hi def link maudeComment Comment
+syn region maudeCommentP contained start='(' end=')'
+  \ contains=maudeCommentP,maudeTodo
+hi def link maudeCommentP maudeComment
+
+syn keyword maudeTodo contained TODO FIXME XXX
+hi def link maudeTodo Todo