code: public Output compileString(String string, URI inputPath, URI outputPath, Options options)
        throws CompilationException {
      StringContext context = new StringContext(string, inputPath, outputPath, options);
  
      return compile(context);
    }
docs: Compile string.
  
  @param string     The input string.
  @param inputPath  The input path.
  @param outputPath The output path.
  @param options    The compile options.
  @return The compilation output.
  @throws CompilationException If the compilation failed.