Add new short form aliases of runtime long form options to octave. Add '-e CODE' for '--eval CODE', '-g' for '--gui', '-G' for '--no-gui'. * NEWS.10.md: Announce 3 new aliases. * basics.txi: Update Octave manual with new aliases. * octave.cc (cmdline_options): Update case statements to use new identifiers. * options.h (*short_opts): Update list of short form opts to include 'G','e','g'. * options.h: Remove EVAL_OPTION, GUI_OPTION, NO_GUI_OPTION from list of #defines and renumber existing getopt options. * options.h (long_opts[]): Update getopts structure to allow 'e' for '--eval', '-g' for '--gui' or '--force-gui', '-G', for '--no-gui'. * usage.h (*usage_string): Update usage to include 'G','e','g'. * main.in.cc (main): Update case statements to use new identifiers.

--- a/etc/NEWS.10.md	Fri Dec 29 14:36:12 2023 -0800
+++ b/etc/NEWS.10.md	Fri Dec 29 16:03:06 2023 -0800
@@ -3,6 +3,12 @@
 
 ### General improvements
 
+- Three short form aliases have been added for long form options when starting
+`octave`.
+  * `-e CODE` for `--eval CODE`
+  * `-g` for `--gui`
+  * `-G` for `--no-gui`
+
 ### Graphical User Interface
 
 ### Graphics backend