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 [signal@Gtk.TextBuffer::mark-set] signal as notification of the mark's initial placement.
the mark to add
location to place mark
See Implementation
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 [signal@Gtk.TextBuffer::mark-set] signal as notification of the mark's initial placement.