Add register \n[.height] which returns the value of \H.

Add register \n[.slant] which returns the value of \S.

* src/roff/troff/env.cc (init_env_requests): Implement.
* NEWS, man/groff_diff.man, man/groff.man, doc/groff.texinfo:
Document.

* tmac/html.tmac: Move some of the data into html-end.tmac.
Remove most of the character translations for eqn since html fonts
now cover those characters.
Load www.tmac.
* tmac/html-end.tmac: New file.
* tmac/troffrc: Load html.tmac not www.tmac for -Thtml.
* tmac/troffrc-end: Load html-end.tmac not html.tmac for -Thtml.
* tmac/Makefile.sub (NORMALFILES): Add html-end.tmac.

* man/groff_out.man: Document negative values of `N' if -Thtml is
used.

3 files changed, 31 insertions, 4 deletions

diff --git a/man/groff.man b/man/groff.man
index e33827b9..82387177 100644
--- a/man/groff.man
+++ b/man/groff.man
@@ -3070,6 +3070,10 @@ Text base-line high-water mark on current page or diversion.
 .REG .H
 Available horizontal resolution in basic units.
 .
+.REG .height
+The current font height as set with
+.request \[rs]H .
+.
 .REG .hla
 The current hyphenation language as set by the
 .B .hla
@@ -3176,6 +3180,10 @@ The number of lines to be right-justified as set by the rj request.
 .REG .s
 Current point size as a decimal fraction.
 .
+.REG .slant
+The slant of the current font as set with
+.request \[rs]S .
+.
 .REG .sr
 The last requested pointsize in points as a decimal fraction
 (string-valued).
diff --git a/man/groff_diff.man b/man/groff_diff.man
index f4f6fc01..eb00b442 100644
--- a/man/groff_diff.man
+++ b/man/groff_diff.man
@@ -2599,6 +2599,11 @@ Macros should use this to determine whether they are running under GNU
 troff.
 .
 .TP
+.B \[rs]n[.height]
+The current height of the font as set with
+.BR \[rs]H .
+.
+.TP
 .B \[rs]n[.hla]
 The current hyphenation language as set by the
 .B hla
@@ -2716,6 +2721,11 @@ The number of lines to be right-justified as set by the
 request.
 .
 .TP
+.B \[rs]n[.slant]
+The slant of the current font as set with
+.BR \[rs]S .
+.
+.TP
 .B \[rs]n[.sr]
 The last requested pointsize in points as a decimal fraction.
 .
diff --git a/man/groff_out.man b/man/groff_out.man
index 5fe7dcce..8db30f13 100644
--- a/man/groff_out.man
+++ b/man/groff_out.man
@@ -3,11 +3,11 @@
 .ig
 groff_out.5
 
-Last update: 12 Sep 2002
+Last update: 07 Apr 2003
 
 This file is part of groff, the GNU roff type-setting system.
 
-Copyright (C) 1989, 2001, 2002 Free Software Foundation, Inc.
+Copyright (C) 1989, 2001, 2002, 2003 Free Software Foundation, Inc.
 rewritten from scrach 2001 by Bernd Warken <bwarken@mayn.de>
 
 Permission is granted to copy, distribute and/or modify this document
@@ -719,10 +719,19 @@ red, green, and blue.
 .command N n
 Print character with index\~\c
 .argument n
-(a non-negative integer) of the current font.
+(an integer, normally non-negative) of the current font.
 .
 The print position is not changed.
 .
+If
+.B \-T\~html
+is used, negative values are emitted also to indicate an unbreakable space
+with given width.
+.
+For example,
+.B N\~-193
+represents an unbreakable space which has a width of 193u.
+.
 This command is a groff extension.
 .
 .
@@ -1855,7 +1864,7 @@ see
 .SH "AUTHORS"
 .\" --------------------------------------------------------------------
 .
-Copyright (C) 1989, 2001, 2002 Free Software Foundation, Inc.
+Copyright (C) 1989, 2001, 2002, 2003 Free Software Foundation, Inc.
 .P
 This document is distributed under the terms of the FDL (GNU Free
 Documentation License) version 1.1 or later.