2013-10-31, -1 month: 10
2013-10-31, first day of 1 month ago: 09
Output for 5.2.13 - 5.2.17
2013-10-31, -1 month: 10
Warning: DateTime::modify(): Failed to parse time string (first day of 1 month ago) at position 10 (o): The timezone could not be found in the database in /in/tclFA on line 8
2013-10-31, first day of 1 month ago: 10
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Not supported.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '(', expecting '}' in /in/tclFA on line 6
Process exited with code 255.