Remove grapqhl, fixes #387

syntax/dune.vim

@@ -0,0 +1,40 @@
+if exists('g:polyglot_disabled') && index(g:polyglot_disabled, 'ocaml') != -1
+  finish
+endif
+
+if exists("b:current_syntax")
+    finish
+endif
+
+set syntax=lisp
+syn case match
+
+" The syn-iskeyword setting lacks #,? from the iskeyword setting here.
+" Clearing it avoids maintaining keyword characters in multiple places.
+syn iskeyword clear
+
+syn keyword lispDecl jbuild_version library executable executables rule ocamllex ocamlyacc menhir alias install
+
+syn keyword lispKey name public_name synopsis modules libraries wrapped
+syn keyword lispKey preprocess preprocessor_deps optional c_names cxx_names
+syn keyword lispKey install_c_headers modes no_dynlink self_build_stubs_archive
+syn keyword lispKey ppx_runtime_libraries virtual_deps js_of_ocaml link_flags
+syn keyword lispKey javascript_files flags ocamlc_flags ocamlopt_flags pps staged_pps
+syn keyword lispKey library_flags c_flags c_library_flags kind package action
+syn keyword lispKey deps targets locks fallback
+syn keyword lispKey inline_tests tests names
+
+syn keyword lispAtom true false
+
+syn keyword lispFunc cat chdir copy# diff? echo run setenv
+syn keyword lispFunc ignore-stdout ignore-stderr ignore-outputs
+syn keyword lispFunc with-stdout-to with-stderr-to with-outputs-to
+syn keyword lispFunc write-file system bash
+
+syn cluster lispBaseListCluster add=duneVar
+syn match duneVar '\${[@<^]}' containedin=lispSymbol
+syn match duneVar '\${\k\+\(:\k\+\)\?}' containedin=lispSymbol
+
+hi def link duneVar Identifier
+
+let b:current_syntax = "dune"