Merge stable into default (NON-TRIVIAL)
- dropping __future__ statement added by d2472948da9c
- added migration from 407acc41beb5 to migration file for 3.16.1
import ConfigParser
try:
undo_actions = config.cfgfile_parser.get('MAIN', 'undo-support', False)
except ConfigParser.NoOptionError:
pass # this conf. file was probably already migrated
else:
config.global_set_option('undo-enabled', bool(undo_actions))