Bug 82581 [misc] Javadoc double-click strategy wrong for non-tags
I20050111-0800 Use an e-mail address inside Javadoc as test case.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/java/JavadocDoubleClickStrategy.java
int end= breakIter.following(position);
			if (end == BreakIterator.DONE)
				end= line.getOffset() + line.getLength();
			
			if (breakIter.isBoundary(position)) {
				if (end - position > position- start)
					start= position;	
				else
					end= position;
			}
			
			if (start > 0 && document.getChar(start - 1) == '@' && Character.isJavaIdentifierPart(document.getChar(start))) {
				
				start--;
			} else if (end == position && end == start + 1 && end < line.getOffset() + line.getLength() && document.getChar(end) == '@') {
				
				return getWordRegion(document, position + 1);
			}
			
			if (start == end)
				return null;
			return new Region(start, end - start);
			
		} catch (BadLocationException x) {
			return null;
		}		
	}
}