Nested list (itemize) environments

[pereimer]

latexdiff seems to not handle nested list environments. Here are two very simple .tex files for which latexdiff produces code that will not latex because of a \begin{itemize}...\end{itemize} pair with no \items

\documentclass[11pt]{article}
\begin{document}
\begin{enumerate}

\item{Main Item
  \begin{itemize}
    \item {First sub-item}
  \end{itemize}
}
\end{enumerate}
\end{document}

and

\documentclass[11pt]{article}
\begin{document}
\begin{enumerate}

\item{Almost Main Item
 \begin{itemize}
  \item {First sub-item}
 \end{itemize}
}
\end{enumerate}

\end{document}

I am using

~/Documents/local/latexdiff/latexdiff --version
This is LATEXDIFF 1.3.1.1 (Algorithm::Diff 1.1902, Perl v5.18.4)
  (c) 2004-2020 F J Tilmann

Thanks in advance

[ftilmann]

The problem here is that in \item{...} the part between the braces is interpreted by latexdiff to be the argument of \item while to latex it is \item + {...}. The braces are not needed, and I would argue the more canonical way is to write it without the braces. Alternatively, introduce a space between the item and the brace. So either of these variants work (just shown for the old file):

\begin{enumerate}
\item Main Item
  \begin{itemize}
    \item {First sub-item}
  \end{itemize}
\end{enumerate}

or

\begin{enumerate}
\item {Main Item
  \begin{itemize}
    \item {First sub-item}
  \end{itemize} }
\end{enumerate}