Don't append the ".geo" extension anymore if the file name is not
recognized.

Parser/OpenFile.cpp

-// $Id: OpenFile.cpp,v 1.42 2003-03-01 22:36:42 geuzaine Exp $
+// $Id: OpenFile.cpp,v 1.43 2003-03-07 18:28:28 geuzaine Exp $
 //
 // Copyright (C) 1997 - 2003 C. Geuzaine, J.-F. Remacle
 //
@@ -180,17 +180,23 @@ void OpenProblem(char *name)
   else {
     strcpy(ext, "");
   }
+
   if(!strcmp(ext, ".geo") || !strcmp(ext, ".GEO") ||
      !strcmp(ext, ".msh") || !strcmp(ext, ".MSH") ||
      !strcmp(ext, ".stl") || !strcmp(ext, ".STL") ||
      !strcmp(ext, ".sms") || !strcmp(ext, ".SMS") ||
-     !strcmp(ext, ".ppm") || !strcmp(ext, ".pnm") ||
+     !strcmp(ext, ".ppm") || !strcmp(ext, ".PPM") ||
+     !strcmp(ext, ".pnm") || !strcmp(ext, ".PNM") ||
      !strcmp(ext, ".pos") || !strcmp(ext, ".POS")) {
     CTX.base_filename[strlen(name) - 4] = '\0';
   }
+  /* Let's just remove this. It causes more confusion than anything
+     else, and entering the complete file name isn't such big a
+     deal.
   else {
     strcat(CTX.filename, ".geo");
   }
+  */
 
   strncpy(THEM->name, CTX.base_filename, 255);
 

tutorial/README

-$Id: README,v 1.19 2003-03-07 07:32:56 geuzaine Exp $
+$Id: README,v 1.20 2003-03-07 18:28:28 geuzaine Exp $
 
 Here are the examples in the Gmsh tutorial. These examples are
 commented (both C and C++-style comments can be used in Gmsh input
@@ -42,8 +42,6 @@ example with:
 
 > gmsh t1.geo
 
-[NOTE: The '.geo' extension can also be omitted.]
-
 [NOTE: Even if it is often handy to define the variables and the
 points directly in the input files (you may use any text editor for
 this purpose, e.g. Wordpad on Windows, or Emacs on Unix), it is almost

tutorial/tutorial.html

@@ -23,7 +23,7 @@
 <H1>README 1/10</H1>
 [<A HREF="#top">top</A>][prev][<A HREF="#file2">next</A>]
 <PRE>
-$Id: tutorial.html,v 1.40 2003-03-07 07:33:18 geuzaine Exp $
+$Id: tutorial.html,v 1.41 2003-03-07 18:28:28 geuzaine Exp $
 
 Here are the examples in the Gmsh tutorial. These examples are
 commented (both C and C++-style comments can be used in Gmsh input
@@ -67,8 +67,6 @@ example with:
 
 &gt; gmsh t1.geo
 
-[NOTE: The '.geo' extension can also be omitted.]
-
 [NOTE: Even if it is often handy to define the variables and the
 points directly in the input files (you may use any text editor for
 this purpose, e.g. Wordpad on Windows, or Emacs on Unix), it is almost