" Formatting.
syn match butCmdSpecific "\\e{\@=" nextgroup=butEmphArg
syn match butCmdSpecific "\\c{\@=" nextgroup=butTextArg
syn match butCmdSpecific "\\cw{\@=" nextgroup=butTextArg
" Formatting.
syn match butCmdSpecific "\\e{\@=" nextgroup=butEmphArg
syn match butCmdSpecific "\\c{\@=" nextgroup=butTextArg
syn match butCmdSpecific "\\cw{\@=" nextgroup=butTextArg