Ignore `.ss' request if in compatibility mode.

* src/roff/troff/input.cc: Make `compatible_flag' non-static.
* src/roff/troff/env.h: Added extern `compatible_flag' declaration.
* src/roff/troff/env.cc (space_size): Use it.

* doc/groff.texinfo, src/roff/troff/troff.man: Fix documentation of
`.ss' request in nroff mode.

* tmac/an-old.tmac: Fixed some serious bugs introduced with latest
changes.

documentation of -rcR switch.

1 files changed, 6 insertions, 3 deletions

diff --git a/doc/groff.texinfo b/doc/groff.texinfo
index 17d1aeb7..611c7354 100644
--- a/doc/groff.texinfo
+++ b/doc/groff.texinfo
@@ -3951,8 +3951,11 @@ request.
 The word space and sentence space values are associated with the current
 environment (@pxref{Environments}).
 
-This request is ignored in nroff mode; it is also ignored if there is no
-parameter.
+Contrary to traditional Unix @code{troff}, this request is @emph{not}
+ignored in nroff mode; the given values are then rounded down to a
+multiple of@w{ }12.
+
+The request is ignored if there is no parameter.
 @end_Deffn
 
 @cindex centering lines
@@ -6359,7 +6362,7 @@ name.
 This would be called as
 
 @example
-.vl $Id: groff.texinfo,v 1.58 2000/12/06 22:31:33 wlemb Exp $
+.vl $Id: groff.texinfo,v 1.59 2000/12/21 22:13:58 wlemb Exp $
 @end example
 
 @xref{Request Arguments}.