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包裹“有缺陷”

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包裹“有缺陷”

我正在尝试通过支持多种纸张尺寸来扩展我的课程，因此通过以下方式添加一些选项

\DeclareOption{a5paper}{% Paper size: 148mm x 210mm
%   \SBpaperAfivetrue
%   \SBpaperAsixfalse
}

我作为 MWE 的整个文档看起来像

\NeedsTeXFormat{LaTeX2e}
\ProvidesClass{Liederbuch}[2016/02/04 version 1.00 Decoration and placement of songs]
\typeout{Book subclass: Liederbuch 2016/02/04 v 1.00}
% --- Class structure: declaration of options part
% --- 
% This class extends the book class
% Read all the documentclass options; pass them to book
\DeclareOption*{\InputIfFileExists{\CurrentOption.min}{}{%
    \PassOptionsToClass{\CurrentOption}{book}}}

% --- Class structure: execution of options part
% --- 
\ProcessOptions \relax

% --- Class structure: declaration of options part
% ---
\LoadClass{book}
%Page layout
%\RequirePackage{xcolor}
\RequirePackage{gtrcrd}
\RequirePackage{stackengine}
\RequirePackage{graphicx}
\RequirePackage[utf8]{inputenc} 
\RequirePackage[T1]{fontenc} 
\RequirePackage[dvipsnames]{xcolor} 
\RequirePackage[object=vectorian]{pgfornament}
\usetikzlibrary{calc}
\RequirePackage[left=1in, right=1in, top=1in, bottom=1in]{geometry}
\RequirePackage{fancyhdr}

% --- Page size
% --- Option declaration for page size
\DeclareOption{a5paper}{% Paper size: 148mm x 210mm
%   \SBpaperAfivetrue
%   \SBpaperAsixfalse
}

在文档中导入为

\documentclass[8pt,a6paper]{Liederbuch}
%\usepackage[utf8]{inputenc}
\begin{document}
Hallo 2
\newpage
Test
\newpage
Test 3
\end{document}

如果我离开\DeclareOption，那么我会收到错误

The package `' is defective.
It attempts to load `pdftexcmds' in the options section, i.e.,
between \DeclareOption and \ProcessOptions.

如果我删除它，一切都会好起来。如果我\ProcessOption在声明后移动该选项，我会得到更多错误。我做错了什么？

答案1

正确的顺序应该是

\DeclareOption{<option>}{<code>} % any number of them
\ExecuteOptions{<option list>} % optional
\ProcessOptions\relax

\LoadClass{<class>}

此行之后，可以添加其他设置，特别是添加包。

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