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lib/Apache/SdnFw/js/tinymce/jscripts/tiny_mce/tiny_mce_src.js  view on Meta::CPAN

		this.getRangeAt = function() {
			// Setup new range if the cache is empty
			if (!range || !tinymce.dom.RangeUtils.compareRanges(lastIERng, selection.getRng())) {
				range = getRange();

				// Store away text range for next call
				lastIERng = selection.getRng();
			}

			// IE will say that the range is equal then produce an invalid argument exception
			// if you perform specific operations in a keyup event. For example Ctrl+Del.
			// This hack will invalidate the range cache if the exception occurs
			try {
				range.startContainer.nextSibling;
			} catch (ex) {
				range = getRange();
				lastIERng = null;
			}

			// Return cached range