search docstrings file for built-in and dld function help text (bug #48554) Load help text as needed from the built-in docstrings file for built-in and dynamically loaded .oct file functions. * help.h, help.cc (install_built_in_docstrings): Delete. (raw_help_from_docstrings_file): New static function. (raw_help): Call raw_help_from_docstrings_file if help text is not found or if it is marked as external. * mk-builtins.sh: Don't emit call to install_built_in_docstrings.

gnulib = http://hg.octave.org/gnulib