poetryscol：如何使用 \startverseline 修复轻微缩进？

Question

我用它\startverseline来将行号与溢出行的开头对齐（如 poetryscol 手册 3.3.2 中所述）。行号现在位于正确的位置，但行略微缩进。有人知道解决这个问题的办法吗？下面是 MWE：

\documentclass{article}
\usepackage{fancyhdr, poemscol}

\setverselinemodulo{2}

\begin{document}

\begin{poem}
\begin{stanza}
Short line\verseline
Long line without startverseline --- long long long long 
long long long long long long long long line\verseline
Short line\verseline
\startverseline Long line with startverseline, numbered --- 
long long long long long long long long long long line\verseline
Short line\verseline
Short line\verseline
\startverseline Long line with startverseline, not numbered --- 
long long long long long long long long long long line\verseline
Short line\end{stanza}
\end{poem}

\end{document}

\startverseline我遇到了这个问题：无论是否有行号，带有的溢出行都会稍微缩进：

我正在使用最新版本的 xelatex 和 poemscol：

XeTeX 3.14159265-2.6-0.999992 (TeX Live 2020)
Package: poemscol 2020/06/12 v3.141592 poemscol file

Answer 1

这个包在行尾添加了几十个%，但是却遗漏了几个需要它们的地方：

\documentclass{article}
\usepackage{fancyhdr, poemscol}
\makeatletter

\renewcommand{\verseline}{\ifspeciallinelock%
\relax\else%
\nolinebreak\incrementverselinenumber%
\fi%
\speciallinelockfalse%
\nolinebreak\\%<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
}


\renewcommand{\incrementverselinenumber}{%
\nolinebreak\addtocounter{verselinenumber}{1}%
%%NO! \makeatletter
 \@ifundefined{marksthe}{\relax}{\marksthe{verselinemark}{\theverselinenumber}}%<<<<<<<<<<<<<<<<<<<<<<
%%NO! \makeatother
  \addtocounter{printlineindex}{1}%
  \ifnum\theprintlineindex>\thelineindexrepeat%
    \ifverselinenumbers\nobreak%
      \putverselinenumber\nobreak%
    \fi\nobreak%
    \setcounter{printlineindex}{0}%
   \fi%
}


\makeatother
\setverselinemodulo{2}

\begin{document}

\begin{poem}
\begin{stanza}
Short line\verseline
Long line without startverseline --- long long long long 
long long long long long long long long line\verseline
Short line\verseline
\startverseline Long line with startverseline, numbered --- 
long long long long long long long long long long line\verseline
Short line\verseline
Short line\verseline
\startverseline Long line with startverseline, not numbered --- 
long long long long long long long long long long line\verseline
Short line\end{stanza}
\end{poem}

\end{document}