Remove trunk/Manuals/Docbook/repository.pdf.
    
        - Do not version output files under trunk, they may consume lot of
          space. Instead, version the files used to produced the output
          files and when the output be appropriate create a tag for it.
    
        - In the case of themes, which may consume much more space, it
          could be preferable to use a tar.gz or tar.bz2 files to collect
          all the theme-related files and create the tag for it (i.e.,
          create the tag using the compressed version of themes-related
          files, not the directory structure used to create the compressed
          file).