# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1446571831 -3600
# Node ID d72c57e949d8d5a8778c32e4d6fc5f4a2e44af9c
# Parent  5c63dfef0f746622f30821e19b1dce3ab9b5605a
Propagated the minimum column group width to the cell layout code.

diff -r 5c63dfef0f74 -r d72c57e949d8 imipweb/calendar.py
--- a/imipweb/calendar.py	Mon Nov 02 22:00:26 2015 +0100
+++ b/imipweb/calendar.py	Tue Nov 03 18:30:31 2015 +0100
@@ -728,6 +728,8 @@
 
         page.colgroup(span=1, id="columns-timeslot")
 
+        # Make column groups at least two cells wide.
+
         for group_type, columns in zip(group_types, group_columns):
             page.colgroup(span=max(columns, 2), id="columns-%s" % group_type)
 
@@ -891,6 +893,10 @@
             # Obtain slots for the time point from each group.
 
             for columns, slots, group_type in zip(group_columns, groups, group_types):
+
+                # Make column groups at least two cells wide.
+
+                columns = max(columns, 2)
                 active = slots and slots.get(point)
 
                 # Where no periods exist for the given time interval, generate