From bug-request at octave dot org Fri Jan 13 13:25:41 2006
Subject: lookfor: Texinfo formatting filter exited abnormally
From: "John W. Eaton" <jwe at bevo dot che dot wisc dot edu>
To: Keith Goodman <kwgoodman at gmail dot com>
Cc: bug at octave dot org
Date: Fri, 13 Jan 2006 14:25:33 -0500

On 10-Jan-2006, Keith Goodman wrote:

| octave-2.9.4:2> lookfor cumsum
| warning: help: Texinfo formatting filter exited abnormally
| warning: help: raw Texinfo source of help text follows...

Most likely, these are due to errors in the Texinfo markup for some
functions in your LOADPATH.  The following change might help you
discover which functions are causing the trouble.

jwe

src/ChangeLog:
===================================================================

2006-01-13  John W. Eaton  <jwe at octave dot org>

	* help.cc (display_help_text): Use warning() to print raw Texinfo
	source.  Don't redirect error output for makeinfo process.


Index: src/help.cc
===================================================================
RCS file: /cvs/octave/src/help.cc,v
retrieving revision 1.143
diff -u -r1.143 help.cc
--- src/help.cc	12 Jan 2006 17:55:22 -0000	1.143
+++ src/help.cc	13 Jan 2006 19:23:25 -0000
 at @ -661,6 +661,8 @@
 
   if (looks_like_texinfo (msg, pos))
     {
+      os.flush ();
+
       std::string tmp_file_name = file_ops::tempnam ("", "");
 
       int cols = command_editor::terminal_cols ();
 at @ -687,9 +689,6 @@
 	  << " --no-headers"
 	  << " --force"
 	  << " --output \"" << tmp_file_name << "\""
-#if !defined (__MINGW32__)
-	  << " > /dev/null 2>&1"
-#endif
 	  << OSSTREAM_ENDS;
 
       oprocstream filter (OSSTREAM_STR (buf));
 at @ -722,8 +721,7 @@
 	    {
 	      warning ("help: Texinfo formatting filter exited abnormally");
 	      warning ("help: raw Texinfo source of help text follows...");
-
-	      os << "\n" << msg;
+	      warning ("help:\n\n%s\n\n", msg.c_str ());
 	    }
 
 	  file_ops::unlink (tmp_file_name);



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