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我使用下面的代码，它使用\ newcommand（宏）：如何添加新命令的空白行中乳胶
\documentclass[12pt]{article}
\usepackage{color}
\usepackage{graphicx}
\begin{document}
% definition of new commands:
\newcommand{\mytitle}[1]{\LARGE\color{black}\centering\textbf{#1\newline}}
% NEWLINE WORKS IN ABOVE LINE
\newcommand{\mycode}{\small\color{green}Code:\scriptsize\leftskip30pt\color{red}\\*}%
% CANNOT ADD NEWLINE BEFORE "Code:" IN ABOVE LINE
\newcommand{\mytext}{\normalsize\color{black}\leftskip0pt}
\newcommand{\myoutput}{\small\color{green}Output:\scriptsize\leftskip30pt\color{blue}\\}%
% CANNOT ADD NEWLINE BEFORE "Output:" IN ABOVE LINE
\quote % to prevent indentation of first line;
% main text starts here:
\mytitle{Simple text, code and figure.}
\mytext
This is normal text- part 1.\\
This is normal text- part 1.\\
This is normal text- part 1.\\
\mycode
This is code line 1.\\
This is code line 2.\\
This is code line 3.\\
\myoutput
This is output line 1.\\
This is output line 2.\\
This is output line 3.\\
\mytext
This is normal text- part 2.\\
This is normal text- part 2.\\
This is normal text- part 2.\\
\mycode
This is code part 2.\\
This is code part 2.\\
This is code part 2.\\
\myoutput
This is output part 2.\\
This is output part 2.\\
This is output part 2.\\
\mytext
The last line in normal text.\\
\end{document}
虽然输出是不错，我以前无法进入的空行“代码”，‘输出’和文字部分构成：
我曾尝试使用\\\newline和\linebreak[1]在以箭头标出点加空行，但它们都产生以下错误：
There's no line here to end.
如何在代码，输出和文本的文本部分之前添加空白行？谢谢你的帮助。