Changelog

v0.13 - 2024-02-26
	- better handling of multimonitor configuration
	- corrent naming of the switch "--matrix" -> "--start-matrix"

v0.12 - 2023-06-30
	- if a touch is not found, try a device xi_mouse with
	  calibration matrix
	- better error message
	- improve the README

v0.11 - 2023-05-01
	- add copyright
	- better handling of missing $DISPLAY
	- document how avoid Xrandr

v0.10 - 2021-11-26
	- replace the throw() with a printf() in the main()
	- select any device using --device-id or --device-name
	- select automatically the matrix calibration

v0.9 - 2021-10-26
	- small code clean up
	- add --list-devices command
	- add --matrix-name options

v0.8 - 2021-05-28
	- bugfix: call XFlush to be sure that the setting are stored

v0.7 - 2021-01-26
	- add make install target

v0.6 - 2021-01-24
	- changed the man page format from nroff to a txt2man based
	- correct the handling of multi-monitor setup. Add the
	  --monitor-nr option

v0.5 - 2021-01-19
	- set a the default value '1' for the doubleckick-threshold
	  to avoid to compute invalid calibration matrix
	- switch from signal based event loop to a (more sane)
	  real event loop based to select(2) syscall.
	- small code cleanup

v0.4 - 2021-01-18
	- update makefile to handle the case where the .git directory
	  doesn't exist

v0.3 - 2021-01-17
	- update documentation
	- update copyright headers

v0.2 - 2020-03-30
	- update documentation

v0.1 - 2020-03-29
	- first release