Any other blank characters are considered as being part of the subsequent field. This line deletes message set n from an existing message catalog. Any text following the set number is treated as a comment. This line specifies an optional quote character c , which can be used to surround message-text so that trailing spaces or empty messages are visible in a message source line. Set numbers need not be contiguous.
Any text following the set identifier is treated as a comment.
Append translation info to the message catalog header. Only the newest date for a given identification is retained in the catalog. Multiple translation lines are combined into a single , separated list. If the message-text is empty, and a blank character field separator is present, an empty string is stored in the message catalogue. Message identifiers need not be contiguous.