Re: [問題] newcommand
※ 引述《mydas (不是一朝一夕)》之銘言：
: 想請教一個newcommand 的error
: 我現在定義了兩個指令
: \newcommand{\company}[2]{\def\@arg1 \def\@arg2}
: \newcommand{\print}[]{\@arg1, \@arg2}
: 第二個指令會印出引數1,2, 不過一直出現錯誤
: 錯誤碼是
: ! Use of \@ doesn't match its definition.
: 不知道是否有人能幫忙解決這個問題 謝謝
http://www.faqs.org/faqs/tex-faq/#b
6) In LaTeX, I put some definitions in my document, but I get the error
``Use of \@ doesn't match its definition'' or ``You can't use
\spacefactor in vertical (or math) mode.'' What's wrong?
Definitions should be be in a style file, and if you move them there,
you should have no problem.
If you don't want to do that, you need to include \makeatletter
before the definitions to allow the ``internal'' LaTeX commands to
be accessed. These commands are normally protected from change by
having @ in them. Since @ is not a letter, it is normally not
allowed as part of a multi-letter command name. To access internal
commands you need to tell LaTeX to pretend that @ is a letter.
This happens automatically when LaTeX reads a style file, but in
your main document you need to surround the offending commands with
\makeatletter ... \makeatother.
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