[Originally sent to bug-groff; about mm's PIC macro]
> But there seems to be another difference: > > .PSPIC centers the image by default, whereas for .PIC the default is > left-aligned. Interestingly, the groff_mm(7) man page doesn't say which of the parameters is the default. Maybe the left-aligned default has historical reasons, I don't know. While looking into the source code I see that option -B (to produce a box around the image) of the PIC macro isn't documented either... Sigh. No time to work on this. If someone provides a patch (*with* a ChangeLog entry), I can commit it. Werner