Re: [Groff] Weird problem; .ig is not ignored

[Jörgen Grahn]

On Tue Jun 21 08:09:46 2005, address@hidden wrote:
> 
> > > Looking into the `tmac/s' file from Solaris I see that the
> > > start-up code *always* sets PO.  Since groff allows the setting of
> > > `PO' on the command line, this is not an option for groff.
> > 
> > So this would lead to the rule "don't mention PO before the -ms
> > macros kick in, unless you intend to set it"?  Seems like a fairly
> > acceptable and predictable rule to me -- despite my earlier
> > confusion.
> 
> Yes.  Can provide a patch for groff_ms.man to document that?

I can try ... here's one that I'm not very happy with; it may or may not be
acceptable to you. My terminology may be off: "undefined", "evaluate",
"document" and, uh, "she".

/Jörgen

Index: tmac/groff_ms.man
===================================================================
RCS file: /cvsroot/groff/groff/tmac/groff_ms.man,v
retrieving revision 1.16
diff -u -r1.16 groff_ms.man
--- tmac/groff_ms.man   23 Sep 2004 11:54:25 -0000      1.16
+++ tmac/groff_ms.man   21 Jun 2005 07:14:17 -0000
@@ -1338,6 +1338,19 @@
 or
 .I "groff ms"
 should use this number register.
+.
+.IP \(bu
+For
+.I "groff ms"
+to use the default page offset (left margin),
+the
+.B PO
+number register must be undefined when the first
+.B ms
+macro is encountered.
+This implies that the user may not evaluate
+.B PO
+early in the document, unless she also intends to change it.
 .br
 .ne 23
 .




-- 
  // Jörgen Grahn       "Koka lopplummer, bada Ross, loppor borta."
\X/ <address@hidden>                                   -- Jonas