Yay, it works! Thanks, Eric, you're the best. w On Jan 26, 10:33 pm, Eric Shulman <[email protected]> wrote: > > That's *not* one of mine! > > It's one of Saq's plugins.... > http://tw.lewcid.org/#TiddlerWithEditPlugin > > I think the problem is here: > --------------------- > config.macros.tiddler.handler = function(place,macroName,params){ > oldTiddlerHandler.apply(this,arguments); > place.lastChild.setAttribute("source",params[0]); > place.lastChild.ondblclick = this.onTiddlerMacroDblClick;} > > --------------------- > > The 1st line invokes the core <<tiddler>> handler to create a > container in which the transcluded content is rendered. Then, the > following two lines refer to 'place.lastChild' to modify the container > by setting an attribute and adding a double-click handler. > > However, if the transcluded tiddler doesn't exist, the <<tiddler>> > macro doesn't produce a container element, and the subsequent > reference to place.lastChild triggers the error you reported. > > To correct this, you could add some extra conditionals in the > function: > --------------------- > config.macros.tiddler.handler = function(place,macroName,params){ > oldTiddlerHandler.apply(this,arguments); > if (!place.lastChild) return; > if (place.lastChild.getAttribute("tiddler")!=params[0]) return; > place.lastChild.setAttribute("source",params[0]); > place.lastChild.ondblclick = this.onTiddlerMacroDblClick;} > > --------------------- > > The first "if" ensures that SOME element was rendered. The second > "if" ensures that the rendered element is actually the result of > transcluding the requested tiddler content and not merely some > previously rendered element already contained in the 'place'. > > -e
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