175584SruIn troff mode, dotted and dashed splines. 275584Sru 375584SruMake DELIMITED have type lstr; this would allow us to give better 475584Sruerror messages for problems within the body of for and if constructs. 575584Sru 675584SruIn troff mode without -x, fake \D't' with .ps commands. 775584Sru 875584SruPerhaps an option to set command char. 975584Sru 1075584SruAdd an output class for dumb line printers. It wouldn't be pretty but 1175584Sruit would be better than nothing. Integrate it with texinfo. Useful 1275584Srufor groff -Tascii as well. 1375584Sru 1475584SruOption to allow better positioning of arrowheads on arcs. 1575584Sru 1675584SruPerhaps add PostScript output mode. 1775584Sru 1875584SruChange the interface to the output class so that output devices have 1975584Sruthe opportunity to handle arrowheads themselves. 2075584Sru 2175584SruConsider whether the line thickness should scale. 2275584Sru 2375584SruConsider whether the test in a for loop should be fuzzy (as it 2475584Sruapparently is in grap). 2575584Sru 2675584SruPossibly change fillval so that zero is black. 2775584Sru 2875584SruProvide a way of getting text blocks (positioned with `.in' rather 2975584Sruthan \h), into pic. Should be possible to use block of diverted text 3075584Sruin pic. Possibly something similar to T{ and T} in tbl. 3175584Sru 3275584SruOption to provide macro backtraces. 3375584Sru 3475584SruHave a path that is searched by `copy' statement. Set by environment 3575584Sruvariable or command line option. 36