code: public void includeEscaped(String templatePath) throws IOException {
          URL resource = engine.resolveTemplate(templatePath);
          yield(ResourceGroovyMethods.getText(resource, engine.getCompilerConfiguration().getSourceEncoding()));
      }
docs: Includes contents of another file, not as a template but as escaped text.
  
  @param templatePath the path to the other file
  @throws IOException