hanging in textblock

http://graphicssoft.about.com/od/aboutgraphics/a/bitmapvector.htm

#0  0x080929ad in dw::Textblock::findParagraphOfWord (this=0x82268b0, 
    wordIndex=81) at textblock.cc:1228
#1  0x0809a3c7 in dw::Textblock::fillParagraphs (this=0x82268b0)
    at textblock_linebreaking.cc:1115
#2  0x0809169c in dw::Textblock::getExtremesImpl (this=0x82268b0, 
    extremes=0xbfffe828) at textblock.cc:299
#3  0x080b48cc in dw::core::Widget::getExtremes (this=0x82268b0, 
    extremes=0xbfffe828) at widget.cc:194
#4  0x08098276 in dw::Textblock::accumulateWordExtremes (
    this=this@entry=0x822b460, firstWord=firstWord@entry=10, 
    lastWord=lastWord@entry=11, maxOfMinWidth=maxOfMinWidth@entry=0xbfffe898, 
    sumOfMaxWidth=sumOfMaxWidth@entry=0xbfffe89c)
    at textblock_linebreaking.cc:412
#5  0x08099eab in dw::Textblock::addLine (this=this@entry=0x822b460, 
    firstWord=firstWord@entry=10, lastWord=lastWord@entry=11, 
    temporary=temporary@entry=false) at textblock_linebreaking.cc:328
#6  0x0809aca0 in dw::Textblock::wordWrap (this=0x822b460, wordIndex=11, 
    wrapAll=false) at textblock_linebreaking.cc:596
#7  0x0809a278 in dw::Textblock::rewrap (this=0x822b460)
    at textblock_linebreaking.cc:1071
#8  0x080914fc in dw::Textblock::sizeRequestImpl (this=0x822b460, 
    requisition=0x8244898) at textblock.cc:217
#9  0x080b483f in dw::core::Widget::sizeRequest (this=0x822b460,
    requisition=0x8244898) at widget.cc:177
#10 0x08091b92 in dw::Textblock::calcWidgetSize (this=0x82dae38, 
    widget=0x822b460, size=0x8244898) at textblock.cc:768
#11 0x0809a2ba in dw::Textblock::rewrap (this=0x82dae38)
    at textblock_linebreaking.cc:1069
#12 0x080914fc in dw::Textblock::sizeRequestImpl (this=0x82dae38, 
    requisition=0x8258078) at textblock.cc:217
#13 0x080b483f in dw::core::Widget::sizeRequest (this=0x82dae38, 
    requisition=0x8258078) at widget.cc:177
#14 0x08091b92 in dw::Textblock::calcWidgetSize (this=0x82e1300, 
    widget=0x82dae38, size=0x8258078) at textblock.cc:768
#15 0x0809a2ba in dw::Textblock::rewrap (this=0x82e1300)
    at textblock_linebreaking.cc:1069
#16 0x080914fc in dw::Textblock::sizeRequestImpl (this=0x82e1300, 
    requisition=0x824bd80) at textblock.cc:217
#17 0x080b483f in dw::core::Widget::sizeRequest (this=0x82e1300, 
    requisition=0x824bd80) at widget.cc:177
#18 0x08091b92 in dw::Textblock::calcWidgetSize (this=0x822d870, 
    widget=0x82e1300, size=0x824bd80) at textblock.cc:768
#19 0x0809a2ba in dw::Textblock::rewrap (this=0x822d870)
    at textblock_linebreaking.cc:1069
#20 0x080914fc in dw::Textblock::sizeRequestImpl (this=0x822d870, 
    requisition=0x81e64b8) at textblock.cc:217
#21 0x080b483f in dw::core::Widget::sizeRequest (this=0x822d870, 
    requisition=0x81e64b8) at widget.cc:177
#22 0x08091b92 in dw::Textblock::calcWidgetSize (this=0x8278530, 
    widget=0x822d870, size=0x81e64b8) at textblock.cc:768
#23 0x0809a2ba in dw::Textblock::rewrap (this=0x8278530)
    at textblock_linebreaking.cc:1069
#24 0x080914fc in dw::Textblock::sizeRequestImpl (this=0x8278530,
    requisition=0xbfffee40) at textblock.cc:217
#25 0x080b483f in dw::core::Widget::sizeRequest (this=0x8278530, 
    requisition=0xbfffee40) at widget.cc:177
#26 0x080ade2c in dw::core::Layout::resizeIdle (this=0x820f448)
    at layout.cc:667
#27 0x0809faa8 in dw::fltk::FltkPlatform::generalIdle (this=0x820f410)
    at fltkplatform.cc:630
#28 0x080ef3b1 in call_idle () at Fl_add_idle.cxx:40
#29 0x080b88e4 in Fl::wait (time_to_wait=1e+20) at Fl.cxx:496
#30 0x080b89c0 in Fl::run () at Fl.cxx:529
#31 0x0804f7f9 in main (argc=1, argv=0xbffff044) at dillo.cc:498