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
* 
	 * @return the selected proposal
	 * @since 2.0
	 */
	private ICompletionProposal getSelectedProposal() {
		int i= fProposalTable.getSelectionIndex();
		if (i < 0 || i >= fFilteredProposals.length)
			return null;
		return fFilteredProposals[i];
	}
		
	/**
	 * Takes the selected proposal and applies it.
	 * 
	 * @param stateMask the state mask
	 * @since 2.1
	 */
	private void selectProposalWithMask(int stateMask) {
		ICompletionProposal p= getSelectedProposal();
		hide();
		if (p != null)
			insertProposal(p, (char) 0, stateMask, fViewer.getSelectedRange().x);
	}
	
	/**
	 * Applies the given proposal at the given offset. The given character is the
	 * one that triggered the insertion of this proposal.
	 * 
	 * @param p the completion proposal
	 * @param trigger the trigger character