Version:           4.2.2 (KDE 4.2.2) (using 4.2.2 (KDE 4.2.2), Kubuntu packages)
Compiler:          cc
OS:                Linux (i686) release 2.6.28-11-generic

If I press "/p" at http://papyr.com/hypertextbooks/grammar/gramchek.htm I get:

Anwendung: Konqueror (konqueror), Signal SIGSEGV

Thread 1 (Thread 0xb5dccb50 (LWP 1514)):
[KCrash Handler]
#6  KHTMLFindBar::pattern (this=0x0) at /build/buildd/kde4libs-4.2.2/khtml/find/khtmlfindbar.cpp:105
#7  0xb3c7bd9b in KHTMLFind::activate (this=0x8ac45c4) at /build/buildd/kde4libs-4.2.2/khtml/find/khtmlfind.cpp:231
#8  0xb3c7e1d5 in KHTMLFind::findTextNext (this=0x8ac45c4, reverse=false) at /build/buildd/kde4libs-4.2.2/khtml/find/khtmlfind.cpp:277
#9  0xb3c129bd in KHTMLPart::pFindTextNextInThisFrame (this=0x87a8ca8, reverse=<value optimized out>) at /build/buildd/kde4libs-4.2.2/khtml/khtml_part.cpp:3042
#10 0xb3c7dd75 in KHTMLFind::findTextNext (this=0x8848ebc, reverse=<value optimized out>) at /build/buildd/kde4libs-4.2.2/khtml/find/khtmlfind.cpp:435
#11 0xb3c12a41 in KHTMLPart::findTextNext (this=0x87cfc08, reverse=<value optimized out>) at /build/buildd/kde4libs-4.2.2/khtml/khtml_part.cpp:3037
#12 0xb3c01474 in KHTMLView::findAhead (this=0x8819a80, increase=true) at /build/buildd/kde4libs-4.2.2/khtml/khtmlview.cpp:1979
#13 0xb3c01bbe in KHTMLView::keyPressEvent (this=0x8819a80, _ke=0xbfe670ec) at /build/buildd/kde4libs-4.2.2/khtml/khtmlview.cpp:1768
#14 0xb68bca93 in QWidget::event (this=0x8819a80, event=0xbfe670ec) at kernel/qwidget.cpp:7551
#15 0xb6c96d83 in QFrame::event (this=0x8819a80, e=0xbfe670ec) at widgets/qframe.cpp:559
#16 0xb6d3783d in QAbstractScrollArea::event (this=0x8819a80, e=0xbfe670ec) at widgets/qabstractscrollarea.cpp:918
#17 0xb6d3c8ed in QScrollArea::event (this=0x8819a80, e=0xbfe670ec) at widgets/qscrollarea.cpp:314
#18 0xb3bfff5c in KHTMLView::event (this=0x8819a80, e=0xbfe670ec) at /build/buildd/kde4libs-4.2.2/khtml/khtmlview.cpp:587
#19 0xb6865f2c in QApplicationPrivate::notify_helper (this=0x835cf80, receiver=0x8819a80, e=0xbfe670ec) at kernel/qapplication.cpp:4084
#20 0xb686f2eb in QApplication::notify (this=0xbfe67d58, receiver=0x8819a80, e=0xbfe670ec) at kernel/qapplication.cpp:3690
#21 0xb780294d in KApplication::notify (this=0xbfe67d58, receiver=0x8819a80, event=0xbfe670ec) at /build/buildd/kde4libs-4.2.2/kdeui/kernel/kapplication.cpp:307
#22 0xb725ea3b in QCoreApplication::notifyInternal (this=0xbfe67d58, receiver=0x8819a80, event=0xbfe670ec) at kernel/qcoreapplication.cpp:602
#23 0xb6866e0e in qt_sendSpontaneousEvent (receiver=0x8819a80, event=0xb7102501) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:216
#24 0xb69040a0 in QKeyMapper::sendKeyEvent (keyWidget=0x8819a80, grab=false, type=QEvent::KeyPress, code=80, modifiers={i = -1075416520}, text=@0xbfe67264, autorepeat=<value optimized out>, 
    count=<value optimized out>, nativeScanCode=33, nativeVirtualKey=112, nativeModifiers=0) at kernel/qkeymapper_x11.cpp:1675
#25 0xb690626e in QKeyMapperPrivate::translateKeyEvent (this=0x83873d8, keyWidget=0x8819a80, event=0xbfe678cc, grab=false) at kernel/qkeymapper_x11.cpp:1645
#26 0xb68dbdfe in QApplication::x11ProcessEvent (this=0xbfe67d58, event=0xbfe678cc) at kernel/qapplication_x11.cpp:3436
#27 0xb6907cfa in x11EventSourceDispatch (s=0x8360100, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#28 0xb6135b88 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#29 0xb61390eb in ?? () from /usr/lib/libglib-2.0.so.0
#30 0xb6139268 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#31 0xb728a438 in QEventDispatcherGlib::processEvents (this=0x834a7c0, flags={i = -1075414392}) at kernel/qeventdispatcher_glib.cpp:323
#32 0xb69073f5 in QGuiEventDispatcherGlib::processEvents (this=0x834a7c0, flags={i = -1075414344}) at kernel/qguieventdispatcher_glib.cpp:202
#33 0xb725d06a in QEventLoop::processEvents (this=0xbfe67b30, flags={i = -1075414280}) at kernel/qeventloop.cpp:149
#34 0xb725d4aa in QEventLoop::exec (this=0xbfe67b30, flags={i = -1075414216}) at kernel/qeventloop.cpp:200
#35 0xb725f959 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:880
#36 0xb6865da7 in QApplication::exec () at kernel/qapplication.cpp:3553
#37 0xb7f0a00f in kdemain () from /usr/lib/libkdeinit4_konqueror.so
#38 0x080486f2 in _start ()