FF: Whitespace stripping in RichText too slow

[Adam Peller]

The following line in RichText?.js takes many seconds to process a single buffer with non-breakable space in it.

		if(!ec.replace(/^(?:\s|\xA0)+/g, "").replace(/(?:\s|\xA0)+$/g,"").length){ ec = ""; }

Thanks to davew2@… for narrowing this down. Pasting the following example into test_Editor.html (then put the focus outside of the editor to trigger) takes roughly 16 seconds to process this single line of code! The trick is, I think it has to have non-breaking spaces (\xa0) and trac converts them all to space... not sure how to post reproducible data here.

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[Adam Peller]

fixed in [13766]