* Fix spelling/wording issues
* gitlab CI: add a basic build test
* gitlab CI: stop requiring Signed-off-by in commits
* Remove unused macros
* Handle -Wcomma warnings from clang
* Remove unnecessary casts from malloc() and free() calls
* Variable scope reduction as recommended by cppcheck
* Delete commented-out local copy of list function prototypes
* list.c: Stop building functions that are never called
* Make -help & -version work without requiring an open display
OBS-URL: https://build.opensuse.org/package/show/X11:XOrg/xwd?expand=0&rev=10
* autogen.sh changes
* configure: Drop AM_MAINTAINER_MODE
* Print which option was in error along with usage message
* Add -version option to print program version
* Fix a vs an typo in the man page.
OBS-URL: https://build.opensuse.org/package/show/X11:XOrg/xwd?expand=0&rev=7
