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[groff] 06/28: groff_char(7): Expand section "Named glyphs".
From: |
G. Branden Robinson |
Subject: |
[groff] 06/28: groff_char(7): Expand section "Named glyphs". |
Date: |
Tue, 1 Sep 2020 07:43:04 -0400 (EDT) |
gbranden pushed a commit to branch master
in repository groff.
commit 1f0dbb953fea40558e02676da2dd490f12512c3b
Author: G. Branden Robinson <g.branden.robinson@gmail.com>
AuthorDate: Sun Aug 30 08:49:54 2020 +1000
groff_char(7): Expand section "Named glyphs".
Clarify version of CSTR #54 used as portability reference.
Explain the business with "text variants" and the even more oddball "in
special font" cases.
---
man/groff_char.7.man | 14 +++++++++++++-
1 file changed, 13 insertions(+), 1 deletion(-)
diff --git a/man/groff_char.7.man b/man/groff_char.7.man
index 0a49233..f6f95d5 100644
--- a/man/groff_char.7.man
+++ b/man/groff_char.7.man
@@ -625,7 +625,8 @@ a plus sign \[lq]+\[rq] in the \[lq]Notes\[rq] column
indicates that
the glyph name appears in the AT&T
.I troff
user's manual,
-CSTR\~#54.
+CSTR\~#54
+(1992 revision).
.
When using the AT&T special character syntax
.BI \[rs]( xx\c
@@ -635,6 +636,10 @@ When using the AT&T special character syntax
Entries marked with \[lq]***\[rq] denote glyphs used for mathematical
purposes.
.
+Historically,
+such glyphs were typically drawn from a different font,
+the \[lq]special\[rq] font.
+.
Often,
such glyphs have metrics which look incongruous in normal text.
.
@@ -642,6 +647,13 @@ A few which are not uncommon in running prose have
\[lq]text
variants\[rq],
and should work well in such contexts.
.
+Conversely,
+a handful of glyphs that are normally drawn from a regular font are
+required in mathematical text.
+.
+Both sets of exceptions are noted in the tables where they appear
+(\[lq]Logical symbols\[rq] and \[lq]Mathematical symbols\[rq]).
+.
.
.\" ====================================================================
.SH "Glyph Tables"
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