Suggestion to replace /def with /newcommand does not replace line with working code

[efrancis]

Type of JetBrains IDE (IntelliJ, PyCharm, etc.) and version

PhpStorm 2024.1.2

Operating System

MacOS Sonoma 14.5

TeXiFy IDEA version

0.9.6

What I did (steps to reproduce)

• Write the following commands before the document part begins:

\def\shortyearhelper#1#2#3#4{#3#4}
\def\shortyear#1{\expandafter\shortyearhelper#1}

• When the \def commands get highlighted, click on one of them to see the suggestions lightbulb
• Click on lightbulb and choose solution "convert to \newcommand"
• Repeat with the other command.

Minimal example to reproduce the problem

\documentclass[12pt]{article}

\def\shortyearhelper#1#2#3#4{#3#4}
\def\shortyear#1{\expandafter\shortyearhelper#1}

\begin{document}
\shortyear{\the\year}
\end{document}

Expected behavior

Commands to be properly modified into \newcommand such that it can be typeset without errors and the same result as before. The result of transforming is this:

\newcommand{\shortyearhelper}{#1#2#3#4}{#3#4}
\newcommand{\shortyear}{#1}{\expandafter\shortyearhelper#1}

Actual behavior

Document no longer typesets, as command were wrongly transformed. Commands as they should be (according to ChatGPT and tested to work properly):

\newcommand{\shortyearhelper}[4]{#3#4}
\newcommand{\shortyear}[1]{\expandafter\shortyearhelper#1}