Bug 43207 Javadoc info for content assist only shown once
I20030916 Javadoc infos for content assist are only shown the first time an editor is opened. Afterwards, no javadoc is shown any more. - open a java source file (e.g. public class A { }) - Press Ctrl+Space to invoke content assist => works: selection in proposal list shows javadoc hover (if javadoc available) - Press Esc, press Ctrl+Space again => fails: selection in proposal list does not make any javadocs appear
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/link/contentassist/CompletionProposalPopup2.java
* @param offset the offset
	 * @since 2.1
	 */
	private void insertProposal(ICompletionProposal p, char trigger, int stateMask, int offset) {
			
		fInserting= true;
		IRewriteTarget target= null;
		
		try {
			
			IDocument document= fViewer.getDocument();
			
			if (fViewer instanceof ITextViewerExtension) {
				ITextViewerExtension extension= (ITextViewerExtension) fViewer;
				target= extension.getRewriteTarget();
			}
			
			if (target != null)
				target.beginCompoundChange();
			
			if (p instanceof ICompletionProposalExtension2) {
				ICompletionProposalExtension2 e= (ICompletionProposalExtension2) p;
				e.apply(fViewer, trigger, stateMask, offset);				
			} else if (p instanceof ICompletionProposalExtension) {
				ICompletionProposalExtension e= (ICompletionProposalExtension) p;
				e.apply(document, trigger, offset);
			} else {
				p.apply(document);
			}