liborgmode: more liberal OrgDate Parsing

Allow missing day, because it is a reasonable human readable date form and we should probably brake no viable usecases with this.

According to current formulation of the timestamp spec, a Date without Time is not valid anyway.

Author: FlorianMickler

ftplugin/orgmode/liborgmode/orgdate.py

@@ -27,7 +27,7 @@
 from orgmode.py3compat.encode_compatibility import *
 
 _DAYNAME = r"[^]>\s+0-9-]+"
-_DATE = r"(\d\d\d\d)-(\d\d)-(\d\d) %s" % _DAYNAME
+_DATE = r"(\d\d\d\d)-(\d\d)-(\d\d)(?:\s+%s)?" % _DAYNAME
 
 # <2011-09-12 Mon>
 _DATE_REGEX = re.compile(r"<%s>" %_DATE, re.UNICODE)