From b279ca1377d8da0bf23b9b9b10add8e7402719ef Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Henrik=20Grubbstr=C3=B6m=20=28Grubba=29?=
 <grubba@grubba.org>
Date: Sun, 13 Jun 1999 20:16:58 +0200
Subject: [PATCH] Added error message.

Rev: tutorial/Wmml.pmod:1.27
---
 tutorial/Wmml.pmod | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/tutorial/Wmml.pmod b/tutorial/Wmml.pmod
index ebc71b6448..020a1ad4f7 100644
--- a/tutorial/Wmml.pmod
+++ b/tutorial/Wmml.pmod
@@ -611,9 +611,14 @@ SGML low_make_concrete_wmml(SGML data)
 	{
 	  string filename=tag->params->file;
 	  string file=Stdio.read_file(filename);
-	  SGML tmp=group(lex(file,filename));
-	  verify(tmp,file,filename);
-	  ret+=low_make_concrete_wmml(tmp);
+	  if (file) {
+	    SGML tmp=group(lex(file,filename));
+	    verify(tmp,file,filename);
+	    ret+=low_make_concrete_wmml(tmp);
+	  } else {
+	    werror(sprintf("File %O not found specified in tag %O near %s\n",
+			   filename, tag->tag, tag->location()));
+	  }
 	  continue;
 	}
 	  
-- 
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