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[groff] 02/03: doc/groff.texi: Tweak \s discussion.
From: |
G. Branden Robinson |
Subject: |
[groff] 02/03: doc/groff.texi: Tweak \s discussion. |
Date: |
Mon, 6 Apr 2020 03:48:58 -0400 (EDT) |
gbranden pushed a commit to branch master
in repository groff.
commit ede696a10fdbbdcbd9092c206d32c92e7e8067d7
Author: G. Branden Robinson <address@hidden>
AuthorDate: Mon Apr 6 17:45:53 2020 +1000
doc/groff.texi: Tweak \s discussion.
Recast language regarding acceptable inputs to \sN in compatibility
mode.
Regarding migration away from \sN, stop implying that \s(NN and \s[N]
are the only options.
Swap paragraph order to put the cross-reference to
fractional-point-size-supporting escapes immediately the previous and
before the detail about whether a point-size escape constitutes an input
token.
---
doc/groff.texi | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/doc/groff.texi b/doc/groff.texi
index 6381248..be84531 100644
--- a/doc/groff.texi
+++ b/doc/groff.texi
@@ -10054,9 +10054,9 @@ and the text begins. Any of the following forms are
valid:
Set the point size to @var{n}@tie{}points. @var{n}@tie{}must be a
single digit.
-In compatibility mode only, @var{n}@tie{}must be@tie{}0 or in the range
+In compatibility mode only, a non-zero @var{n}@tie{}must be in the range
4 to@tie{}39. Legacy documents relying upon this quirk of parsing
-should be migrated to the \s(@var{nn} or \s[@var{n}] forms.
+should be migrated to another @code{\s} form.
@item \s+@var{n}
@itemx \s-@var{n}
@@ -10075,6 +10075,10 @@ Increase or decrease the point size by
@var{nn}@tie{}points. @var{nn}
must be exactly two digits.
@end table
+@xref{Fractional Type Sizes}, for additional syntactical forms of
+the @code{\s} escape (which accept integers as well as fractions).
+@endDefreq
+
Note that @code{\s} doesn't produce an input token in @code{gtroff}. As
a consequence, it can be used in requests like @code{mc} (which expects
a single character as an argument) to change the font on the fly:
@@ -10083,10 +10087,6 @@ a single character as an argument) to change the font
on the fly:
.mc \s[20]x\s[0]
@endExample
-@xref{Fractional Type Sizes}, for yet another syntactical form of using
-the @code{\s} escape.
-@endDefreq
-
@Defreq {sizes, s1 s2 @dots{} sn [0]}
Some devices may only have certain permissible sizes, in which case
@code{gtroff} rounds to the nearest permissible size. The @file{DESC}
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