URL:
<http://savannah.gnu.org/bugs/?44235>
Summary: UPGRADE: provide a way to redefine an existing
symbol in a specific font
Project: GNU troff
Submitted by: barx
Submitted on: Fri 13 Feb 2015 12:36:00 AM CST
Severity: 3 - Normal
Item Group: None
Status: None
Privacy: Public
Assigned to: None
Open/Closed: Open
Discussion Lock: Any
Planned Release: None
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Details:
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.
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