PixelConverter pc = new PixelConverter(topControl);
Link openPrefsLink = createOpenPreferencesDialogLink(topControl,
PreferencesMessages.DLTKEditorColoringConfigurationBlock_link);
openPrefsLink.setLayoutData(
gdFillDefaults().hint(pc.convertWidthInCharsToPixels(50), SWT.DEFAULT).create());
createHorizontalSpacer(topControl, 1, pc);
SWTFactoryUtil.createLabel(topControl, SWT.LEFT,
PreferencesMessages.DLTKEditorPreferencePage_coloring_element,