CVS migo: * close two todo items and add small comments

[FVWM CVS]

CVSROOT:        /home/cvs/fvwm
Module name:    fvwm
Changes by:     migo    09/03/17 14:17:59

Modified files:
        docs           : ChangeLog todo-2.6 

Log message:
* close two todo items and add small comments