Pass arguments to troff.
 [rsc] --rwxrwxr-x M 191333 rsc sys 164 Sep 22 13:31 rc/bin/troff2gif
	/n/sourcesdump/2005/0922/plan9/rc/bin/troff2gif:1,2 - 
	/n/sourcesdump/2005/0923/plan9/rc/bin/troff2gif:1,2
	  #!/bin/rc
	- {/bin/troff|/bin/lp -dstdout|/bin/gs -dNOPAUSE -dQUIET '-sOUTPUTFILE='/fd/1 '-sDEVICE=plan9bm' - quit.ps| crop -c 255 255 255 | togif}  >[2] /dev/null
	+ {/bin/troff $*|/bin/lp -dstdout|/bin/gs -dNOPAUSE -dQUIET '-sOUTPUTFILE='/fd/1 '-sDEVICE=plan9bm' - quit.ps| crop -c 255 255 255 | togif}  >[2] /dev/null