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- Wed Oct 18, 2023 11:21 am
- Forum: AUCTeX
- Topic: \RenewCommandCopy raises "Undefined control sequence" error
- Replies: 6
- Views: 53796
\RenewCommandCopy raises "Undefined control sequence" error
The "Undefined control sequence" error in AUCTeX may be due to `\RenewCommandCopy`. Try adding `\usepackage{letltxmacro}` in your "my_article.cls" file to resolve the issue. This ensures AUCTeX recognizes the command, making it work as expected.