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

From: Dave
Subject: [bug #55155] [troff] .tr is applied to the RHS of .char definitions
Date: Mon, 10 Apr 2023 05:58:03 -0400 (EDT)

Follow-up Comment #12, bug #55155 (project groff):

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.

While most of the presented cases would give improved output with the change,
a DWIM reading of the code in Ralph's example does argue for the current
behavior.  But I can think of no way to detect that intention algorithmically,
and any attempt to guess the user's intent will doubtless make the behavior
harder to document.  So I think this will have to be a unilateral behavior,
which (whichever way it's decided) will make some things behave badly.  (The
roff language already makes few if any concessions to the DWIM philosophy.)


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