<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta content="text/html;charset=UTF-8" http-equiv="Content-Type"></head><body ><div style='font-size:10pt;font-family:Verdana,Arial,Helvetica,sans-serif;'>FYI<br><br>Just upgraded to check out Patrick Rein's Terse Guide addition.<br><br>Squeak5.0<br>latest update: #15987<br><br>After upgrade, opening the Help kicked in that "CR to enter an emergency evaluator" window.<br><br>The DNU exception was thrown in<br><br><br><blockquote style="border: 1px solid rgb(204, 204, 204); padding: 7px; background-color: rgb(245, 245, 245);"><div><br>SimpleHierarchicalListMorph >> drawLinesOn: aCanvas <br><br>.....<br> ifTrue:<br> [submorph drawLinesOn: clippedCanvas lineColor: lColor]]]<br></div></blockquote> <br><br>submorph in this case was an instance of IndentingListItemMorph where<br><br><br>In that class I added the missing method that invokes an existing and similar method with a default value of 1.<br><br><br><blockquote style="border: 1px solid rgb(204, 204, 204); padding: 7px; background-color: rgb(245, 245, 245);"><div>drawLinesOn: aCanvas lineColor: lineColor<br> self drawLinesOn: aCanvas lineColor: lineColor indentThreshold: 1.<br><br></div></blockquote> <br><br><br>Help browser now opens with no errors.<br><br>tty<br><br></div></body></html>