Ingo Bürk 9bb2f038ab Allow multiple marks on windows.
This patch allows multiple marks to be set on a single window. The restriction that a mark may
only be on one window at a time is still upheld as this is necessary for commands like
"move window to mark" to make sense.

relates to #2014
2015-10-22 15:29:42 +02:00
..
2014-04-23 19:49:50 +02:00
2015-10-22 15:29:42 +02:00