* Fix spelling/wording issues
* gitlab CI: add a basic build test
* gitlab CI: stop requiring Signed-off-by in commits
* Mark help(), usage(), and grammar() with _X_NORETURN _X_COLD
* Declare help() and print_help() as static
* Rename "dpy" function arguments to "display" to avoid shadowing global
* Resolve many gcc -Wsign-compare warnings
* Variable scope reductions as suggested by cppcheck
OBS-URL: https://build.opensuse.org/package/show/X11:XOrg/xprop?expand=0&rev=15
* Add missing `-help` function
* Make output with unknown width terminal the same as old code
* Free string list returned from XmbTextPropertyToTextList
* Correct icon buffer width computation for truecolor terminals
* Check return value from ioctl(TIOCGWINSZ)
* Don't display icons if they would line-wrap.
* Break down memory allocation logic and fix overallocating for UTF8.
* Fix aspect ratio for icon display by using two characters per icon pixel.
* Support true color output for icons if the terminal advertises it.
* Fix formatting of back-to-back not shown icons.
OBS-URL: https://build.opensuse.org/package/show/X11:XOrg/xprop?expand=0&rev=11
* configure: Drop AM_MAINTAINER_MODE
* autogen.sh: Honor NOCONFIGURE=1
* Print which option was in error along with usage message
* Add -version option to print program version
* Free the thunks used by Show_Prop
* Free the data returned by XListProperties()
* Free the data returned by XGetWindowProperty()
* Free the data returned by Format_Icons()
* autogen.sh: use quoted string variables
* autogen: add default patch prefix
* autogen.sh: use exec instead of waiting for configure to finish
OBS-URL: https://build.opensuse.org/package/show/X11:XOrg/xprop?expand=0&rev=7
