Add some verbosity
* Complain when a bad subcommand is provided
* Display a notice when the mark list is cleared
Name: ${PROJECT_NAME}
Method: glib
Version: ${PROJECT_VERSION}
Description: ${CPACK_PACKAGE_DESCRIPTION_SUMMARY}
# commands depend on building environment: 4+3, 2+1
Requires: ( roster:4 | roster:3 | roster:2 | roster:1 ) + ( commands:4 | commands:3 ) +
utils:2 + logprint:3 + ( hbuf:3 | hbuf:2 | hbuf:1 ) +
( screen:10 | screen:9 | screen:8 | screen:7 | screen:6 | screen:5 | screen:4 )
Init: marking_init
Uninit: marking_uninit