# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1418081054 -3600
# Node ID f196c2c7ab3bebed1d8309bae41709005256b47e
# Parent  3ae2bac023664c29af1992de649b759819d786d7
Raise a ParseError upon parsing ill-formed files.

diff -r 3ae2bac02366 -r f196c2c7ab3b vContent.py
--- a/vContent.py	Mon Dec 08 22:45:33 2014 +0100
+++ b/vContent.py	Tue Dec 09 00:24:14 2014 +0100
@@ -454,7 +454,10 @@
         "Parse the contents of the file 'f'."
 
         ParserBase.parse(self, f, parser_cls)
-        return self.components[0]
+        try:
+            return self.components[0]
+        except IndexError:
+            raise ParseError, "No vContent component found in file."
 
 # Writer classes.