exceptions, instead of the first argument.
* process.c (rb_spawn): ditto.
* process.c (proc_spawn_v): use first argument as program name.
* win32/win32.c (rb_w32_aspawn): ditto.
* win32/win32.c (CreateChild): search executable file if no program
name given.
* lib/drb/extservm.rb (invoke_service_command): use Process.spawn.
[ruby-dev:23103]
* lib/rdoc/ri/ri_display.rb (setup_pager): use IO.popen.
[ruby-dev:23086], [ruby-dev:23103]
* lib/rdoc/diagram.rb (convert_to_png): ditto.
* lib/rdoc/generators/chm_generator.rb (compile_project): ditto.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@5872 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
