Subtracts one from the month in the YYYY-MM datePattern section so that the month is zero indexed.
How should this be tested?
With this module enabled, and the "Replace yyyy-mm-dd and yyyy-mm dates in object metadata displays with human-readable equivalents." option enabled, view an item that has YYYY-MM metadata and make sure it converts it to the correct human-readable equivalent.
Github issue
https://github.com/bondjimbond/islandora_metadata_extras/issues/41
What does this Pull Request do?
Subtracts one from the month in the YYYY-MM datePattern section so that the month is zero indexed.
How should this be tested?
With this module enabled, and the "Replace yyyy-mm-dd and yyyy-mm dates in object metadata displays with human-readable equivalents." option enabled, view an item that has YYYY-MM metadata and make sure it converts it to the correct human-readable equivalent.