-> You seem to be using an old version of ikiwiki, these preview isues have
-> been fixed for some time, and the code doesn't look like what you patch
-> in your second hunk. --[[Joey]]
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->> I have just tested ikiwiki-2.5. The code in question still looks
->> the same, and the patch is still needed for making the graphviz
->> plug-in work in preview mode here.
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->>> You're right, it doesn't preview properly. However, your patch doesn't
->>> really fix it, since it only makes it show any old files that are lying
->>> around, and not a current one updated for the current page. Fixing it
->>> really right calls for embedding the file in a data uri in the preview
->>> page, as the sparkline plugin does. --[[Joey]]
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