imag/doc/src/04200-lib-tag.md

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libtag

The "libtag" library contains functionality for tagging entries.

The following functionality for entries is provided:

  • Adding a tag to an entry
  • Removing a tag from an entry
  • Fetching the list of tags from an entry
  • Checking whether a tag is set in an entry

The following additional functionality is provided:

  • Fetching all entries which contain a tag
  • Fetching all entries which contain a list of tags
  • Fetching all entries which fulfill a set of tag-requirements (either present, or not present, chained by logical operators)