[bug #55155] [troff] .tr is applied to the RHS of .char definitions

[G. Branden Robinson]

Follow-up Comment #13, bug #55155 (project groff):


[comment #12 comment #12:]
> Further musings:
> 
> All the example usages in the email thread appeared to be contrived for this
thread; no one responded with a clear real-world case that would be affected
by the change one way or the other.

I can address that.

Format Kernighan & Cherry's "Typesetting Mathematics -- User's Guide (Second
Edition)" for PostScript or PDF and watch the page header bounce back and
forth between hyphens and minus signs.

Procedure:

1. Obtain the paper's source files. 
https://minnie.tuhs.org/cgi-bin/utree.pl?file=V7/usr/doc/eqn/
2. Apply the attached patch.
3. make eqnuser.pdf
4. Compare, e.g., the page headers on pages 2 and 3.

Optional step 2a--review the patch file and verify that there is nothing up my
sleeve.  The sources of the user's guide are the files starting with "g".

(file #54594)

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Additional Item Attachment:

File name: hacking-typesetting-mathematics-2e-rev2.diff Size:8 KB
   
<https://file.savannah.gnu.org/file/hacking-typesetting-mathematics-2e-rev2.diff?file_id=54594>



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