bugGNU troff - Bugs: bug #44235, UPGRADE: provide a way to redefine...

 
 

bug #44235: UPGRADE: provide a way to redefine an existing symbol in a specific font

Submitted by:  Dave <barx>
Submitted on:  Fri 13 Feb 2015 06:36:00 AM UTC  
 
Category: NoneSeverity: 3 - Normal
Item Group: NoneStatus: None
Privacy: PublicAssigned to: None
Open/Closed: OpenPlanned Release: None

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Fri 13 Feb 2015 06:36:00 AM UTC, original submission:

When searching for a symbol, groff first checks whether the symbol has been defined with the .char request. If not, it checks the current font. Only if it is not in the current font does groff check other user-defined symbols.

Thus, while .char can override an existing symbol across all fonts, there is no way to override an existing symbol only in a specific font, because all other symbol rules are of lower precedence than checking the current font.

The mailing list thread beginning with http://lists.gnu.org/archive/html/groff/2015-02/msg00029.html contains examples of situations where this lack of functionality makes performing certain tasks ponderous.

Dave <barx>

 

(Note: upload size limit is set to 16384 kB, after insertion of the required escape characters.)

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