Steps to reproduce:

1. Invoke gnome search tool by typing gnome-search-tool at the command 
prompt
2. Select "help:Contents"

Help browser comes up and after some time it gives a crash error message


Stack Trace:

current thread: t@1
=>[1] _waitid(0x0, 0x77, 0xffbed850, 0x3, 0x0, 0x0), at 0xfdd1c2c8
  [2] _waitpid(0x0, 0xffbed958, 0x0, 0xffbed958, 0x0, 0x0), at 0xfdcd63a8
  [3] waitpid(0xb, 0xffbeddb0, 0xffbedaf8, 0x0, 0x0, 0x0), at 0xfea6aab0
  [4] __sighndlr(0xb, 0xffbeddb0, 0xffbedaf8, 0xff306a28, 0x685ac, 
0x6859c), at 0xfea6b7dc
  [5] sigacthandler(0xb, 0x68508, 0x0, 0x0, 0x0, 0xfea7e000), at 0xfea684c0
  ---- called from signal handler with signal 11 (SIGSEGV) ------
  [6] css_matcher_apply_rule(0x138900, 0x43a8e0, 0x0, 0x0, 0x12c370, 0x0), 
at 0xfe941570
  [7] css_matcher_get_style(0x138900, 0x0, 0x43ba90, 0x0, 0x62, 0x62), at 
0xfe946c68
  [8] html_document_node_inserted_traverser(0x138900, 0x128ee8, 0x1, 0x0, 
0x0, 0x0), at 0xfe94e15c
  [9] html_document_new_node(0x1267b4, 0x128ee8, 0x138900, 0x1, 0x0, 0x0), 
at 0xfe94edb8
  [10] g_cclosure_marshal_VOID__OBJECT(0x139bb8, 0x0, 0x138900, 0x1267b4, 
0x139bb8, 0xfe94ed78), at 0xfdecaa7c
  [11] g_closure_invoke(0x139bb8, 0x0, 0x2, 0xffbee310, 0xffbee1e4, 0x0), 
at 0xfdea3020
  [12] signal_emit_unlocked_R(0x126078, 0x0, 0x1267b4, 0x0, 0xffbee310, 
0x0), at 0xfdec8530
  [13] g_signal_emit_valist(0x1267b4, 0x75, 0x0, 0xffbee550, 0x43b9c0, 
0x0), at 0xfdec710c
  [14] g_signal_emit(0x1267b4, 0x75, 0x0, 0x128ee8, 0x65, 0x65), at 
0xfdec7584
  [15] html_parser_emit_new_node(0x1267b4, 0x128ee8, 0x474d78, 0xfdcc17e4, 
0x474d70, 0x0), at 0xfe952198
  [16] html_startElement(0x1267b4, 0x435c80, 0x474d78, 0xfe6c0298, 
0x29360, 0x0), at 0xfe9523e4
  [17] htmlParseStartTag(0x44a358, 0xfe738e10, 0x0, 0x0, 0x57cf8, 
0xfdd24100), at 0xfe6c255c
  [18] htmlParseTryOrFinish(0x44a358, 0x1, 0xfe739080, 0x0, 0xffbeeb14, 
0x0), at 0xfe6c5f58
  [19] htmlParseChunk(0x44a358, 0x0, 0x0, 0x1, 0x0, 0x0), at 0xfe6c7420
  [20] html_parser_stream_close(0x126b88, 0x1267b4, 0x1, 0x0, 0x0, 0x0), 
at 0xfe952770
  [21] html_stream_close(0x126b88, 0xc10a0, 0x1, 0x0, 0x0, 0xffbeeeb8), at 
0xfe9aec90
  [22] html_document_close_stream(0x138900, 0xcc568, 0x1, 0x0, 0x0, 0x0), 
at 0xfe950110
  [23] yelp_html_close(0x138b98, 0x12abf0, 0x1, 0x0, 0x0, 0x0), at 0x27b84
  [24] content_reader_finished_cb(0x13d3b8, 0x134978, 0x1, 0x1, 0x29360, 
0x0), at 0x32770
  [25] g_cclosure_marshal_VOID__VOID(0x139c98, 0x0, 0x134978, 0x13d3b8, 
0x139c98, 0x32660), at 0xfdec91f8
  [26] g_closure_invoke(0x139c98, 0x0, 0x1, 0xffbeec40, 0xffbeeb14, 0x0), 
at 0xfdea3020
  [27] signal_emit_unlocked_R(0x82a68, 0x0, 0x13d3b8, 0x0, 0xffbeec40, 
0x0), at 0xfdec8530
  [28] g_signal_emit_valist(0x13d3b8, 0x99, 0x0, 0xffbeee80, 0x0, 0x0), at 
0xfdec710c
  [29] g_signal_emit(0x13d3b8, 0x99, 0x0, 0x0, 0x0, 0xffbeeeb8), at 
0xfdec7584
  [30] reader_idle_check_queue(0x434000, 0x0, 0x0, 0xfdde4d78, 0x0, 0x0), 
at 0x2d6d4
  [31] g_timeout_dispatch(0x43b880, 0x2d3e0, 0x434000, 0xfdde036c, 0x0, 
0x0), at 0xfdde5944
  [32] g_main_dispatch(0x849f8, 0x0, 0x60, 0xfdde2230, 0x29360, 0x0), at 
0xfdde0398
  [33] g_main_context_dispatch(0x849f8, 0x7fffffff, 0x8f650, 0x9, 0x9, 
0x0), at 0xfdde2350
  [34] g_main_context_iterate(0x849f8, 0x1, 0x1, 0x693c0, 0xff3e2660, 
0x1bd5c), at 0xfdde2ab0
  [35] g_main_loop_run(0x8ea00, 0x8ea00, 0x6a810, 0x0, 0x0, 0x0), at 
0xfdde3ad8
  [36] bonobo_main(0x9, 0x6a810, 0x0, 0x0, 0x0, 0x0), at 0xfedc41e4
  [37] main(0x5f0d4, 0x5f0e4, 0x5f0f8, 0x5f104, 0x5f11c, 0x0), at 0x2a7ec