Inquiring about Which rich text editor it is used on SE? Is that under free licence? question here on Pro Webmasters.

Close dialog returns "No eligible question found at that url." when attempting to close as duplicate of What HTML editor is used by Stack Overflow?

Question left open for repro.

1 Answer 1


You can only close a question as a duplicate of a question on the same site.

Closing as duplicate of a question on another site in the network is not supported.

  • My apologies for the confusion on my end. Could the close dialog message be updated to check against the site and advise of this limitation when a close attempt is made against another SE site's question?
    – danlefree
    Commented Jun 10, 2011 at 13:09
  • @danle good idea, I'll try to get that added Commented Jun 10, 2011 at 16:44

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