[BUG] Scamper doesn't save a swiki page ( Unable to bring Scamper in 3.7alpha #5657 )

[tomkoenig at mindspring.com]

Taking Lex's advice decided to debug, so installed Scamper, opened web
browser and got the following error
Error: Streams are created with on: and with:
The stack an OrderedCollection(AttributedTextStream
class(Object)>>error: AttributedTextStream class(Stream class)>>new
DHtmlFormatter(HtmlFormatter)>>initialize DHtmlFormatter
class(Behavior)>>new DHtmlFormatter class(HtmlFormatter class)>>new
Scamper>>displayTextHtmlPage: Scamper>>displayDocument: [] in
MenuItemMorph>>invokeWithEvent: {[(selArgCount := selector numArgs) = 0 
 ifTrue: [target perform: selector] ...]} BlockContext>>ensure:
CursorWithMask(Cursor)>>showWhile: MenuItemMorph>>invokeWithEvent:
MenuItemMorph>>mouseUp: MenuItemMorph>>handleMouseUp:
MouseButtonEvent>>sentTo: MenuItemMorph(Morph)>>handleEvent:
MorphicEventDispatcher>>dispatchDefault:with:
MorphicEventDispatcher>>dispatchEvent:with:
MenuItemMorph(Morph)>>processEvent:using:
MorphicEventDispatcher>>dispatchDefault:with:
MorphicEventDispatcher>>dispatchEvent:with:)













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