Description of problem:
Exact steps described in bug 998812 (this bug is just filed for hopefully better crash analysis and to have an anchor for others).

Version-Release number of selected component:
gedit-3.8.3-2.el7

Additional info:
reporter:       libreport-2.1.7
backtrace_rating: 4
cmdline:        gedit libxmlhelper.py
crash_function: gtk_text_iter_get_char
executable:     /usr/bin/gedit
kernel:         3.10.0-31.el7.x86_64
runlevel:       N 5
type:           CCpp
uid:            1000

Truncated backtrace:
Thread no. 1 (10 frames)
 #0 gtk_text_iter_get_char at gtktextiter.c:873
 #1 gtk_text_iter_ends_line at gtktextiter.c:1547
 #2 find_paragraph_delimiter_for_line at gtktextiter.c:4077
 #3 gtk_text_iter_forward_to_line_end at gtktextiter.c:4109
 #4 on_view_draw at gtksourcegutter.c:1109
 #5 _gtk_marshal_BOOLEAN__BOXED at gtkmarshalers.c:85
 #6 gtk_widget_draw_marshaller at gtkwidget.c:855
 #11 _gtk_widget_draw_internal at gtkwidget.c:6165
 #12 gtk_widget_send_expose at gtkwidget.c:6545
 #13 gtk_main_do_event at gtkmain.c:1619