The fact of removing the programme indication of Marche's character in the proofreading of FE3 (→FE4) can be certainly ascribed to Chopin. The composer replaced it with a neutral tempo indication, Lento. The original indication funèbre was restored, for understandable reasons, in FE5 – the edition was prepared shortly after Chopin's funeral.
Compare the passage in the sources »
category imprint: Differences between sources; Corrections & alterations
issues: Authentic corrections of FE
notation: Verbal indications