Allow for missing whitelines. #4339
Merged
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The Gettext specification allows for 'whitespace is optional' between message string.
For this to work PoFileLoader needs to save found messages on more places while processing. Thus a new method is introduced.
For the tests to work PoFileDumper was changed slightly to only emit white-lines when necessary.
I added more documentation from the GNU gettext documentation to make the code more understandable.
When [BUG] PoFileLoader pluralhandling uses interval instead of index. this patch needs some small rework.
(this is part of [WIP]: Allow Drupal to use Translate component)