[bug #64285] [troff] \D't' (set line thickness) drawing command alters drawing position

[G. Branden Robinson]

Update of bug #64285 (project groff):

                  Status:               Confirmed => In Progress            
             Assigned to:                    None => gbranden               

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Follow-up Comment #1:

This will require synchronized changes to grn and pic.  They both contrive
horizontal motions to offset the (stupid) drawing position update imposed by
\D't', so if that's not done, those preprocessors will produce incorrect
output.

I haven't found where pic does this yet (but I can tell from its output).

Here's where grn's code is.


src/preproc/grn/hgraph.cpp:400:  if (linethickness != thick[mode]) {
src/preproc/grn/hgraph.cpp:401:    linethickness = thick[mode];
src/preproc/grn/hgraph.cpp:402:    printf("\\h'-%.2fp'\\D't %.2fp'",
linethickness, linethickness);




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