[PATCH 6/7] man/tabs.1: Revise "PORTABILITY" section.

[G. Branden Robinson]

* Stop italicizing the lengthy identifier for POSIX.1-2008.
* Favor man(7) font macros over *roff font selection escape sequences,
  except for man page cross (and self-) references.
* Express capability names first, followed by their terminfo codes in
  parentheses.
---
 man/tabs.1 | 31 ++++++++++++++++++++++---------
 1 file changed, 22 insertions(+), 9 deletions(-)

diff --git a/man/tabs.1 b/man/tabs.1
index 811c963bd..509346e26 100644
--- a/man/tabs.1
+++ b/man/tabs.1
@@ -222,21 +222,34 @@ .SH FILES
 .I @DATADIR@/tabset
 tab stop initialization database
 .SH PORTABILITY
-\fIIEEE Std 1003.1/The Open Group Base Specifications Issue 7\fP (POSIX.1-2008)
-describes a \fBtabs\fP utility.
-However
+IEEE Std 1003.1/The Open Group Base Specifications Issue 7
+(POSIX.1-2008)
+describes a
+.B tabs
+utility.
+However,
 .bP
-This standard describes a \fB+m\fP option, to set a terminal's left-margin.
+this standard describes a
+.B +m
+option to set a terminal's left margin.
 Very few of the entries in the terminal database provide the
-\fBsmgl\fP (\fBset_left_margin\fP) or
-\fBsmglp\fP (\fBset_left_margin_parm\fP)
-capability needed to support the feature.
+.B \%set_left_margin
+.RB ( smgl )
+or
+.B \%set_left_margin_parm
+.RB \%( smglp )
+capabilities needed to support the feature.
 .bP
 There is no counterpart in X/Open Curses Issue 7 for this utility,
 unlike \fB@TPUT@\fP(1).
 .PP
-The \fB\-d\fP (debug) and \fB\-n\fP (no-op) options are extensions not provided
-by other implementations.
+The
+.B \-d
+(debug) and
+.B \-n
+(no-op) options are
+.I \%ncurses
+extensions not provided by other implementations.
 .SH HISTORY
 A
 .B tabs
-- 
2.30.2

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