* libgimp/gimpbrushmenu.c
        * libgimp/gimpgradientmenu.c
        * libgimp/gimppatternmenu.c: documented all publically visible
        functions

        * libgimp/gimpmenu.h: fixed a typo

        * devel-docs/libgimp/libgimp-sections.txt: did some rearranging,
        added all unused functions (except for temporary ones)

        * idevel-docs/libgimp/tmpl/gimp.sgml
        * devel-docs/libgimp/tmpl/gimpmenu.sgml
        * devel-docs/libgimp/tmpl/gimpmisc.sgml: regenerated