diff --git a/runtime/syntax/vim.vim b/runtime/syntax/vim.vim
index 846a3be905..d2430add19 100644
--- a/runtime/syntax/vim.vim
+++ b/runtime/syntax/vim.vim
@@ -416,7 +416,7 @@ syn keyword	vimFor	for	skipwhite nextgroup=vimVar,vimVarList
 " Abbreviations: {{{2
 " =============
 " GEN_SYN_VIM: vimCommand abbrev, START_STR='syn keyword vimAbb', END_STR='skipwhite nextgroup=vimMapMod,vimMapLhs'
-syn keyword vimAbb ab[breviate] ca[bbrev] cnorea[bbrev] ia[bbrev] inorea[bbrev] norea[bbrev] skipwhite nextgroup=vimMapMod,vimMapLhs
+syn keyword vimAbb ab[breviate] ca[bbrev] cnorea[bbrev] cuna[bbrev] ia[bbrev] inorea[bbrev] iuna[bbrev] norea[bbrev] una[bbreviate] skipwhite nextgroup=vimMapMod,vimMapLhs
 
 " Autocmd: {{{2
 " =======
@@ -441,12 +441,13 @@ syn match	vimMap		"\<map\>\ze\s*(\@!" 	    skipwhite nextgroup=vimMapMod,vimMapL
 syn match	vimMap		"\<map!"	  contains=vimMapBang skipwhite nextgroup=vimMapMod,vimMapLhs
 " GEN_SYN_VIM: vimCommand map, START_STR='syn keyword vimMap', END_STR='skipwhite nextgroup=vimMapBang,vimMapMod,vimMapLhs'
 syn keyword vimMap cm[ap] cno[remap] im[ap] ino[remap] lm[ap] ln[oremap] nm[ap] nn[oremap] no[remap] om[ap] ono[remap] smap snor[emap] tma[p] tno[remap] vm[ap] vn[oremap] xm[ap] xn[oremap] skipwhite nextgroup=vimMapBang,vimMapMod,vimMapLhs
-" GEN_SYN_VIM: vimCommand mapclear, START_STR='syn keyword vimMap', END_STR=''
-syn keyword vimMap cmapc[lear] imapc[lear] lmapc[lear] mapc[lear] nmapc[lear] omapc[lear] smapc[lear] tmapc[lear] vmapc[lear] xmapc[lear]
+" GEN_SYN_VIM: vimCommand mapclear, START_STR='syn keyword vimMap', END_STR='skipwhite nextgroup=vimMapMod'
+syn keyword vimMap cmapc[lear] imapc[lear] lmapc[lear] nmapc[lear] omapc[lear] smapc[lear] tmapc[lear] vmapc[lear] xmapc[lear] skipwhite nextgroup=vimMapMod
+syn keyword	vimMap mapc[lear]	skipwhite nextgroup=vimMapBang,vimMapMod
 " GEN_SYN_VIM: vimCommand unmap, START_STR='syn keyword vimUnmap', END_STR='skipwhite nextgroup=vimMapBang,vimMapMod,vimMapLhs'
 syn keyword vimUnmap cu[nmap] iu[nmap] lu[nmap] nun[map] ou[nmap] sunm[ap] tunma[p] unm[ap] vu[nmap] xu[nmap] skipwhite nextgroup=vimMapBang,vimMapMod,vimMapLhs
 syn match	vimMapLhs	contained	"\S\+"			contains=vimNotation,vimCtrlChar skipwhite nextgroup=vimMapRhs
-syn match	vimMapBang	contained	"!"			skipwhite nextgroup=vimMapMod,vimMapLhs
+syn match	vimMapBang	contained	"\a\@1<=!"			skipwhite nextgroup=vimMapMod,vimMapLhs
 syn match	vimMapMod	contained	"\%#=1\c<\(buffer\|expr\|\(local\)\=leader\|nowait\|plug\|script\|sid\|unique\|silent\)\+>" contains=vimMapModKey,vimMapModErr skipwhite nextgroup=vimMapMod,vimMapLhs
 syn match	vimMapRhs	contained	".*" contains=vimNotation,vimCtrlChar	skipnl nextgroup=vimMapRhsExtend
 syn match	vimMapRhsExtend	contained	"^\s*\\.*$"			contains=vimContinue