# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1290729854 -3600
# Node ID 489129c7f2256a5eba963581292e2aff5d1eeecf
# Parent  7e79dd580a629c70c12fac3f39304098745ccfe0
Changed the from_document method to remember the current document and positions,
although the positions iterator will not be reset upon repeated invocations
involving the same document number.

diff -r 7e79dd580a62 -r 489129c7f225 iixr/positions.py
--- a/iixr/positions.py	Tue Nov 23 00:22:52 2010 +0100
+++ b/iixr/positions.py	Fri Nov 26 01:04:14 2010 +0100
@@ -533,11 +533,12 @@
                 # Return the desired document positions or None (retaining the
                 # positions for the document immediately after).
 
-                if docnum == found_docnum:
-                    return found_positions
-                elif docnum < found_docnum:
+                if docnum <= found_docnum:
                     self.found_docnum, self.found_positions = found_docnum, found_positions
-                    return None
+                    if docnum == found_docnum:
+                        return found_positions
+                    elif docnum < found_docnum:
+                        return None
 
         except StopIteration:
             return None