Adds the mark at position where.
The mark must not be added to another buffer, and if its name is not null then there must not be another mark in the buffer with the same name.
Emits the signalGtk.TextBuffer::mark-set signal as notification of the mark's initial placement.
the mark to add
location to place mark
Adds the mark at position where.
The mark must not be added to another buffer, and if its name is not null then there must not be another mark in the buffer with the same name.
Emits the signalGtk.TextBuffer::mark-set signal as notification of the mark's initial placement.