remove GVPR Vim syntax

This file was upstreamed into Vim itself in Vim commit
2346a6378483c9871016f9fc821ec5cbea638f13. The version in Vim can now be
considered authoritative and we can cease maintaining a copy here in Graphviz.
Related to #1762.

diff --git a/share/gvpr.vim b/share/gvpr.vim
deleted file mode 100644 (file)
index b6241ce..0000000
--- a/share/gvpr.vim
+++ /dev/null
@@ -1,79 +0,0 @@
-" Vim syntax file
-" Language: Graphviz program
-" Maintainer: Matthew Fernandez <matthew.fernandez@gmail.com>
-" Last Change: Tue, 28 Jul 2020 17:20:44 -0700
-
-if exists("b:current_syntax")
-  finish
-endif
-
-syn keyword gvArg  ARGC ARGV
-syn keyword gvBeg  BEGIN BEG_G N E END END_G
-syn keyword gvFunc
-  \ graph fstsubg isDirect isStrict isSubg nEdges nNodes nxtsubg subg
-  \ degreeOf fstnode indegreeOf isNode isSubnode node nxtnode nxtnode_sg
-    \ outDegreeOf subnode
-  \ edge edge_sg fstedge fstedge_sg fstin fstin_sg fstout fstout_sg isEdge
-    \ isEdge_sg isSubedge nxtedge nxtedge_sg nxtin nxtin_sg nxtout nxtout_sg opp
-    \ subedge
-  \ freadG fwriteG readG write[] writeG
-  \ aget aset clone cloneG compOf copy[] copyA delete[] fstAttr getDflt hasAttr
-    \ induce isAttr isIn kindOf lock[] nxtAttr setDflt
-  \ canon gsub html index ishtml length llOf match[] rindex split[] sprintf
-    \ sscanf strcmp sub substr tokens tolower toupper urOf xOf yOf
-  \ closeF openF print[] printf scanf readL
-  \ atan2 cos exp log MAX MIN pow sin[] sqrt
-  \ in[] unset
-  \ colorx exit[] rand srand system
-syn keyword gvCons
-  \ NULL TV_bfs TV_dfs TV_en TV_flat TV_fwd TV_ne TV_prepostdfs TV_prepostfwd
-  \ TV_prepostrev TV_postdfs TV_postfwd tv_postrev TV_rev
-syn keyword gvType char double float int long unsigned void
-                 \ string
-                 \ edge_t graph_t node_t obj_t
-syn match   gvVar 
-  \ "\$\(\(F\|G\|NG\|O\|T\|tgtname\|tvedge\|tvnext\|tvroot\|tvtype\)\>\)\?\(\<\)\@!"
-syn keyword gvWord break continue else for forr if return switch while
-
-" numbers adapted from c.vim's cNumbers and friends
-syn match gvNums      transparent "\<\d\|\.\d" contains=gvNumber,gvFloat,gvOctal
-syn match gvNumber    contained "\d\+\(u\=l\{0,2}\|ll\=u\)\>"
-syn match gvNumber    contained "0x\x\+\(u\=l\{0,2}\|ll\=u\)\>"
-syn match gvOctal     contained "0\o\+\(u\=l\{0,2}\|ll\=u\)\>" contains=gvOctalZero
-syn match gvOctalZero contained "\<0"
-syn match gvFloat     contained "\d\+f"
-syn match gvFloat     contained "\d\+\.\d*\(e[-+]\=\d\+\)\=[fl]\="
-syn match gvFloat     contained "\.\d\+\(e[-+]\=\d\+\)\=[fl]\=\>"
-syn match gvFloat     contained "\d\+e[-+]\=\d\+[fl]\=\>"
-
-syn region gvString start=+"+ skip=+\\\\\|\\"+ end=+"+ contains=gvFormat,gvSpecial extend
-syn region gvString start="'" skip="\\\\\|\\'" end="'" contains=gvFormat,gvSpecial extend
-
-" adapted from c.vim's cFormat for c_no_c99
-syn match gvFormat "%\(\d\+\$\)\=[-+' #0*]*\(\d*\|\*\|\*\d\+\$\)\(\.\(\d*\|\*\|\*\d\+\$\)\)\=\([hlL]\|ll\)\=\([bdiuoxXDOUfeEgGcCsSpn]\|\[\^\=.[^]]*\]\)" contained
-
-syn match gvSpecial "\\." contained
-
-syn region gvCComment   start="//"  skip="\\$" end="$" keepend
-syn region gvCPPComment start="#"   skip="\\$" end="$" keepend
-syn region gvCXXComment start="/\*" end="\*/" fold
-
-hi def link gvArg        Identifier
-hi def link gvBeg        Keyword
-hi def link gvFloat      Number
-hi def link gvFunc       Identifier
-hi def link gvCons       Number
-hi def link gvNumber     Number
-hi def link gvType       Type
-hi def link gvVar        Statement
-hi def link gvWord       Keyword
-
-hi def link gvString     String
-hi def link gvFormat     Special
-hi def link gvSpecial    Special
-
-hi def link gvCComment   Comment
-hi def link gvCPPComment Comment
-hi def link gvCXXComment Comment
-
-let b:current_syntax = "gvpr"