bugGNU troff - Bugs: bug #63028, document nroff \o limitations in...

 
 

bug #63028: document nroff \o limitations in modern terminal emulators

Submitter:  Dave <barx>
Submitted:  Wed 07 Sep 2022 04:32:56 PM UTC
 
Category:  Driver - others/general Severity:  1 - Wish
Item Group:  Documentation Status:  None
Privacy:  Public Assigned to:  None
Open/Closed:  Open Planned Release:  None
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Fri 07 Oct 2022 10:51:59 PM UTC, comment #2: 

True and then some: unlike grotty, which outputs overstruck characters that terminals probably won't render, grohtml appears to output only the final character of an \o sequence.

$ printf '\o"x+o"\n' | groff -Thtml | grep -o '<p>.*</p>' | od -c
0000000   <   p   >   o   <   /   p   >  \n
0000011

Dave <barx>
Project Member
Fri 07 Oct 2022 12:59:17 AM UTC, comment #1: 

Lack of true overstriking will also afflict HTML output.

G. Branden Robinson <gbranden>
Project Administrator
Wed 07 Sep 2022 04:32:56 PM UTC, original submission:  

Bug #62983 has been Postponed, but in the meantime, the documentation could be updated to warn nroff users that (1) few (no?) modern terminal emulators support overstruck characters, and (2) if they must use \o, they should think about the order in which they specify the characters, as only the last one is likely to end up visible.  (And maybe (3) that if they want to use \o for accented characters, there are more robust ways to achieve that.)

Dave <barx>
Project Member

 

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