29   let chars  = ""  variable
64 	" get chars = <cpp> length string representing the pixels
66 	let chars = substitute(s, '\(.\{'.cpp.'}\s\+\).*', '\1', '')  variable
98 	let chars = escape(chars, '/\*^$.~[]')  variable
102 	let chars = substitute(chars, "[ \t][ \t]*", "\\\\s\\\\+", "g")  variable
109 	" but highlight the first whitespace after chars in its color
110 	exe 'syn match xpm2Col'.n.'inDef /^'.chars.'/hs=s+'.(cpp).' contained'
113 	" remove the following whitespace from chars
114 	let chars = substitute(chars, '\\s\\+$', '', '')  variable
117 	exe 'syn match xpm2Color'.n.' /'.chars.'/ contained'
134   unlet color chars colors cpp n i s