Bug 300862 Change buttons order in PathVariableDialog
IMHO more intuitive order for buttons in PathVariableDialog would be [File...][Folder...][Variable...] instead of [File...][Variable...][Folder...]. I can provide a patch if the swap makes sense to you too ;)
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/dialogs/PathVariableDialog.java
* Sets the variable value.
     * 
     * @param variable the new variable value
     */
    public void setVariableValue(String variable) {
    	String userEditableString = getPathVariableManager().convertToUserEditableFormat(variable);
        variableValue = userEditableString;
    }
    /**
     * @param resource
     */
    public void setResource(IResource resource) {
    	currentResource = resource;
    }
    /**
     * @param location
     */
    public void setLinkLocation(IPath location) {
    	String userEditableString = getPathVariableManager().convertToUserEditableFormat(location.toPortableString());
        variableValue = userEditableString;
    }
    /*
     * (non-Javadoc)
     * @see org.eclipse.jface.dialogs.Dialog#isResizable()
     */
    protected boolean isResizable() {
    	return true;
    }
}