Bug 99072 [preferences] Explain Ctrl modifier for code assistant
N20050608-0010 This was a polish item that we got to add. Easy fix. Approving for 3.1 RC2.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/preferences/CodeAssistConfigurationBlock.java
Text textBox= new Text(parent, SWT.BORDER | SWT.SINGLE);
		textBox.setData(key);
		textBox.setLayoutData(new GridData());
		
		fLabels.put(textBox, labelControl);
		
		String currValue= getValue(key);	
		if (currValue != null) {
			textBox.setText(currValue);
		}
		textBox.addModifyListener(getTextModifyListener());
		GridData data= new GridData(GridData.HORIZONTAL_ALIGN_FILL);
		if (textlimit != 0) {
			textBox.setTextLimit(textlimit);
			data.widthHint= pixelConverter.convertWidthInCharsToPixels(textlimit + 1);
		}
		data.horizontalIndent= indent;
		data.horizontalSpan= 2;
		textBox.setLayoutData(data);
		fTextBoxes.add(textBox);
		return textBox;
	}
	private void addCompletionRadioButtons(Composite contentAssistComposite) {
		Composite completionComposite= new Composite(contentAssistComposite, SWT.NONE);
		GridData ccgd= new GridData();
		ccgd.horizontalSpan= 2;
		completionComposite.setLayoutData(ccgd);
		GridLayout ccgl= new GridLayout();
		ccgl.marginWidth= 0;
		ccgl.numColumns= 2;