Ingo Weinhold e85334022e Repository file format: group attributes of a package
* Introduce new package attribute B_HPKG_ATTRIBUTE_ID_PACKAGE (valid
  only in a repository file) to group the attributes belonging to a
  package.
* BRepositoryContentHandler:
  - No longer derive from BPackageContentHandler.
  - Add hooks HandlePackage() and HandlePackageDone() that bracket the
    attributes for a package. This is more explicit and robust than
    handlers having to guess when one package ended and the next began.
* BRepositoryCache: Make use of BPackageInfoContentHandler. No need to
  duplicate the code for reading a package info from package info
  attributes.
2013-07-04 19:20:14 +02:00
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