code: func yaml_emitter_increase_indent(emitter *yaml_emitter_t, flow, indentless bool) bool {
  	emitter.indents = append(emitter.indents, emitter.indent)
  	if emitter.indent < 0 {
  		if flow {
  			emitter.indent = emitter.best_indent
  		} else {
  			emitter.indent = 0
  		}
  	} else if !indentless {
  		emitter.indent += emitter.best_indent
  	}
  	return true
  }
docs: // Increase the indentation level.