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

Methods
 add_selection_clipboard()
 apply_tag()
 apply_tag_by_name()
 backspace()
 begin_user_action()
 copy_clipboard()
 create()
 create_child_anchor()
 create_mark()
 create_tag()
 cut_clipboard()
 delete()
 delete_interactive()
 delete_mark()
 delete_mark_by_name()
 delete_selection()
 end_user_action()
 get_bounds()
 get_char_count()
 get_end_iter()
 get_insert()
 get_iter_at_child_anchor()
 get_iter_at_line()
 get_iter_at_line_index()
 get_iter_at_line_offset()
 get_iter_at_mark()
 get_iter_at_offset()
 get_line_count()
 get_mark()
 get_modified()
 get_selection_bound()
 get_selection_bounds()
 get_slice()
 get_start_iter()
 get_tag_table()
 get_text()
 insert()
 insert_at_cursor()
 insert_child_anchor()
 insert_interactive()
 insert_interactive_at_cursor()
 insert_pixbuf()
 insert_range()
 insert_range_interactive()
 insert_with_tags()
 insert_with_tags_by_name()
 move_mark()
 move_mark_by_name()
 paste_clipboard()
 place_cursor()
 remove_all_tags()
 remove_selection_clipboard()
 remove_tag()
 remove_tag_by_name()
 select_range()
 set_modified()
 set_text()
previousGTK2.TextBuffer()->apply_tag_by_name()
GTK2.TextBuffer()->begin_user_action()next

Method GTK2.TextBuffer()->backspace()

Method backspace

int backspace(GTK2.TextIter iter, int interactive, int default_editable)

Description

Performs the appropriate action as if the user hit the delete key with the cursor at the position specified by iter. In the normal case a single character will be deleted, but when combining accents are involved, more than one character can be deleted, and when precomposed character and accent combinations are involved, less than one character will be deleted.

Because the buffer is modified, all outstanding iterators become invalid after calling this function; however, iter will be re-initialized to point to the location where text was deleted.