Bug 184597 [Contributions] ActionContributionItem should show accelerator text even if accelerator cannot be parsed
bundles/org.eclipse.jface/src/org/eclipse/jface/action/ActionContributionItem.java
mi.setText(text);
					} else {
						mi.setText(text + '\t' + acceleratorText);
					}
				}
				if (imageChanged) {
					updateImages(false);
				}
				if (enableStateChanged) {
					boolean shouldBeEnabled = action.isEnabled()
							&& isEnabledAllowed();
					if (mi.getEnabled() != shouldBeEnabled) {
						mi.setEnabled(shouldBeEnabled);
					}
				}
				if (checkChanged) {
					boolean bv = action.isChecked();
					if (mi.getSelection() != bv) {
						mi.setSelection(bv);
					}
				}
				return;
			}
			if (widget instanceof Button) {
				Button button = (Button) widget;
				if (imageChanged && updateImages(false)) {
					textChanged = false; 
											
				}
				if (textChanged) {