From dccf47501f078a354375b9f3edd481d8c8d30268 Mon Sep 17 00:00:00 2001
From: Jonathan Clark <jon.h.clark@gmail.com>
Date: Mon, 14 Mar 2011 17:03:51 -0400
Subject: more paranoid checking when (idiot/time-crunched) user tries to
 define his own <seg> tags during tuning

---
 vest/dist-vest.pl | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/vest/dist-vest.pl b/vest/dist-vest.pl
index f95754dc..d17d7de1 100755
--- a/vest/dist-vest.pl
+++ b/vest/dist-vest.pl
@@ -573,7 +573,11 @@ sub enseg {
 	while (my $line=<SRC>){
 		chomp $line;
 		if ($line =~ /^\s*<seg/i) {
+		    if($line =~ /id="[0-9]+"/) {
 			print NEWSRC "$line\n";
+		    } else {
+			die "When using segments with pre-generated <seg> tags, you must include a zero-based id attribute";
+		    }
 		} else {
 			print NEWSRC "<seg id=\"$i\">$line</seg>\n";
 		}
-- 
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