Extracted from Pike v7.8 release 866 at 2016-11-06.
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GTK2
GTK2.SourceBuffer

Methods
 begin_not_undoable_action()
 can_redo()
 can_undo()
 create()
 create_marker()
 delete_marker()
 end_not_undoable_action()
 get_check_brackets()
 get_escape_char()
 get_first_marker()
 get_highlight()
 get_iter_at_marker()
 get_language()
 get_last_marker()
 get_marker()
 get_markers_in_region()
 get_max_undo_levels()
 get_next_marker()
 get_prev_marker()
 move_marker()
 redo()
 set_bracket_match_style()
 set_check_brackets()
 set_escape_char()
 set_highlight()
 set_language()
 set_max_undo_levels()
 undo()
previousGTK2.SourceBuffer()->set_max_undo_levels()
GTK2.SourceIternext

Method GTK2.SourceBuffer()->undo()

Method undo

GTK2.SourceBuffer undo()

Description

Undoes the last user action which modified the buffer. Use can_undo() to check whether a call to this function will have any effect.

Actions are defined as groups of operations between a call to GTK2.TextBuffer->begin_user_action() and GTK2.TextBuffer->end_user_action(), or sequences of similar edits (inserts or deletes) on the same line.