* doc/groff.texinfo: Add documentation of remaining escapes.

* font/devdvi/generate/tc.map: Remove entry for `sr'.
* font/devdvi/*TC: Regenerated.

14 files changed, 56 insertions, 12 deletions

diff --git a/ChangeLog b/ChangeLog
index 61bcd0b0..bcc1776e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2002-04-19  Werner LEMBERG  <wl@gnu.org>
+
+	* doc/groff.texinfo: Add documentation of remaining escapes.
+
+	* font/devdvi/generate/tc.map: Remove entry for `sr'.
+	* font/devdvi/*TC: Regenerated.
+
 2002-04-18  Werner LEMBERG  <wl@gnu.org>
 
 	* src/roff/troff/input.cc (token::next): Make \H behave consistently
diff --git a/doc/groff.texinfo b/doc/groff.texinfo
index 65491a5d..038850ca 100644
--- a/doc/groff.texinfo
+++ b/doc/groff.texinfo
@@ -8148,6 +8148,24 @@ name of @samp{---}; the @code{\N} escape sequence is the only way to
 use these.
 @endDefesc
 
+Some escape sequences directly map onto special glyphs.
+
+@Defesc {\\', , , }
+This is a backslash followed by the apostrophe character, @acronym{ASCII}
+character @code{0x27} (@acronym{EBCDIC} character @code{0x7D}).  The same
+as @code{\[aa]}, the acute accent.
+@endDefesc
+
+@Defesc {\\`, , , }
+This is a backslash followed by @acronym{ASCII} character @code{0x60}
+(@acronym{EBCDIC} character @code{0x79} usually).  The same as
+@code{\[ga]}, the grave accent.
+@endDefesc
+
+@Defesc {\\-, , , }
+This is the same as @code{\[-]}, the minus sign in the current font.
+@endDefesc
+
 @c XXX should be `glyph', not `character'
 
 @cindex character properties (@code{cflags})
@@ -10064,6 +10082,23 @@ A read-only number register containing the current horizontal output
 position.
 @endDefreg
 
+@cindex overstriking characters (@code{\o})
+@cindex characters, overstriking (@code{\o})
+@Defesc {\\o, ', @Var{a}@Var{b}@Var{c}, '}
+Overstrike characters @var{a}, @var{b}, @var{c}, @dots{}; the characters
+are centered, and the resulting spacing is the largest width of the
+affected characters.
+@endDefesc
+
+@cindex zero-width printing (@code{\z}, @code{\Z})
+@cindex printing, zero-width (@code{\z}, @code{\Z})
+@Defesc {\\z, , c, , }
+Print character @var{c} with zero width, i.e., without spacing.  Use
+this to overstrike characters left-aligned.
+@endDefesc
+
+@cindex zero-width printing (@code{\z}, @code{\Z})
+@cindex printing, zero-width (@code{\z}, @code{\Z})
 @Defesc {\\Z, ', anything, '}
 Print @var{anything}, then restore the horizontal and vertical position.
 The argument may not contain tabs or leaders.
@@ -13208,6 +13243,9 @@ Requests appear without the leading control character (normally either
 @node Escape Index, Operator Index, Request Index, Top
 @chapter Escape Index
 
+Any escape sequence @code{\@var{X}} with @var{X} not in the list below
+emits a warning, printing character @var{X}.
+
 @printindex es
 
 
diff --git a/font/devdvi/CWITC b/font/devdvi/CWITC
index f36ff659..bf4aa1b4 100644
--- a/font/devdvi/CWITC
+++ b/font/devdvi/CWITC
@@ -130,7 +130,7 @@ pc	550368,451360,0,182000	0	0267
 ---	550368,514453,0,182000	2	0270
 S1	550368,728000,0,182000	2	0271
 Om	550368,728000,0,182000	2	0272
-sr	550368,728000,14560,182000	3	0273
+---	550368,728000,14560,182000	3	0273
 14	550368,728000,232960,182000	3	0274
 12	550368,728000,232960,182000	3	0275
 34	550368,728000,232960,182000	3	0276
diff --git a/font/devdvi/CWTC b/font/devdvi/CWTC
index 96665cf4..2c6d0280 100644
--- a/font/devdvi/CWTC
+++ b/font/devdvi/CWTC
@@ -129,7 +129,7 @@ pc	550368,451360	0	0267
 ---	550368,514453	2	0270
 S1	550368,728000	2	0271
 Om	550368,728000	2	0272
-sr	550368,728000,14560	3	0273
+---	550368,728000,14560	3	0273
 14	550368,728000,232960	3	0274
 12	550368,728000,232960	3	0275
 34	550368,728000,232960	3	0276
diff --git a/font/devdvi/HBITC b/font/devdvi/HBITC
index 33139971..26167ca7 100644
--- a/font/devdvi/HBITC
+++ b/font/devdvi/HBITC
@@ -130,7 +130,7 @@ pc	235872,483392	2	0267
 ---	700819,572691,0,19032	2	0270
 S1	512512,786240,0,135086	2	0271
 Om	512512,786240,0,116982	2	0272
-sr	544544,786240,174720,167118	3	0273
+---	544544,786240,174720,167118	3	0273
 14	512512,786240,203840,135086	3	0274
 12	512512,786240,203840,135086	3	0275
 34	512512,786240,203840,135086	3	0276
diff --git a/font/devdvi/HBTC b/font/devdvi/HBTC
index 39fa2a65..9844258b 100644
--- a/font/devdvi/HBTC
+++ b/font/devdvi/HBTC
@@ -129,7 +129,7 @@ pc	235872,483392	2	0267
 ---	700819,572691	2	0270
 S1	512512,786240	2	0271
 Om	512512,786240	2	0272
-sr	544544,786240,174720	3	0273
+---	544544,786240,174720	3	0273
 14	512512,786240,203840	3	0274
 12	512512,786240,203840	3	0275
 34	512512,786240,203840	3	0276
diff --git a/font/devdvi/HITC b/font/devdvi/HITC
index 183bf905..64face81 100644
--- a/font/devdvi/HITC
+++ b/font/devdvi/HITC
@@ -130,7 +130,7 @@ pc	247520,465920	0	0267
 ---	679466,560560,0,20397	2	0270
 S1	465920,786240,0,137998	2	0271
 Om	465920,786240,0,116982	2	0272
-sr	495040,786240,220138,167118	3	0273
+---	495040,786240,220138,167118	3	0273
 14	465920,786240,203840,137998	3	0274
 12	465920,786240,203840,137998	3	0275
 34	465920,786240,203840,137998	3	0276
diff --git a/font/devdvi/HRTC b/font/devdvi/HRTC
index f3ca108d..d312c4e3 100644
--- a/font/devdvi/HRTC
+++ b/font/devdvi/HRTC
@@ -129,7 +129,7 @@ pc	247520,465920	0	0267
 ---	679466,560560	2	0270
 S1	465920,786240	2	0271
 Om	465920,786240	2	0272
-sr	495040,786240,220138	3	0273
+---	495040,786240,220138	3	0273
 14	465920,786240,203840	3	0274
 12	465920,786240,203840	3	0275
 34	465920,786240,203840	3	0276
diff --git a/font/devdvi/TBITC b/font/devdvi/TBITC
index 77eaa544..e9aec283 100644
--- a/font/devdvi/TBITC
+++ b/font/devdvi/TBITC
@@ -130,7 +130,7 @@ pc	321485,472035	2	0267
 ---	740811,553278,0,27373	2	0270
 S1	557939,786240,0,165693	2	0271
 Om	557939,786240,0,137592	2	0272
-sr	556774,786240,199165,196560	3	0273
+---	556774,786240,199165,196560	3	0273
 14	557939,786240,203840,165693	3	0274
 12	557939,786240,203840,165693	3	0275
 34	557939,786240,203840,165693	3	0276
diff --git a/font/devdvi/TBTC b/font/devdvi/TBTC
index c4220dd5..9a623b35 100644
--- a/font/devdvi/TBTC
+++ b/font/devdvi/TBTC
@@ -129,7 +129,7 @@ pc	288288,465920	0	0267
 ---	687230,553278	2	0270
 S1	535808,786240	2	0271
 Om	535808,786240	2	0272
-sr	569296,786240,199165	3	0273
+---	569296,786240,199165	3	0273
 14	535808,786240,203840	3	0274
 12	535808,786240,203840	3	0275
 34	535808,786240,203840	3	0276
diff --git a/font/devdvi/TITC b/font/devdvi/TITC
index 0051f12b..451985c2 100644
--- a/font/devdvi/TITC
+++ b/font/devdvi/TITC
@@ -130,7 +130,7 @@ pc	321485,450486	0	0267
 ---	704314,548426,0,29630	2	0270
 S1	482227,786240,0,169770	2	0271
 Om	482227,786240,0,137592	2	0272
-sr	482227,786240,220138,196560	3	0273
+---	482227,786240,220138,196560	3	0273
 14	482227,786240,203840,169770	3	0274
 12	482227,786240,203840,169770	3	0275
 34	482227,786240,203840,169770	3	0276
diff --git a/font/devdvi/TRTC b/font/devdvi/TRTC
index e350c814..37a054c6 100644
--- a/font/devdvi/TRTC
+++ b/font/devdvi/TRTC
@@ -129,7 +129,7 @@ pc	291200,458640	2	0267
 ---	660051,548426	2	0270
 S1	465920,786240	2	0271
 Om	465920,786240	2	0272
-sr	495040,786240,220138	3	0273
+---	495040,786240,220138	3	0273
 14	465920,786240,203840	3	0274
 12	465920,786240,203840	3	0275
 34	465920,786240,203840	3	0276
diff --git a/font/devdvi/generate/tc.map b/font/devdvi/generate/tc.map
index 8665ea44..6934ca40 100644
--- a/font/devdvi/generate/tc.map
+++ b/font/devdvi/generate/tc.map
@@ -50,7 +50,6 @@
 183 pc
 185 S1
 186 Om
-187 sr
 188 14
 189 12
 190 34
diff --git a/src/roff/troff/input.cc b/src/roff/troff/input.cc
index 398584b7..112e0773 100644
--- a/src/roff/troff/input.cc
+++ b/src/roff/troff/input.cc
@@ -1979,7 +1979,7 @@ void token::next()
 	{
 	  next();
 	  if (type == TOKEN_NODE)
-	  nd = new zero_width_node(nd);
+	    nd = new zero_width_node(nd);
 	  else {
   	    charinfo *ci = get_char(1);
 	    if (ci == 0)