Am Samstag, dem 15.03.2025 um 13:21 +0100 schrieb Jürgen Spitzmüller: > Now the question is: is this really a tex2lyx issue or a bug in > mathed? The latter. In the fix for #13120, we didn't consider the possibility of DOS line endings when removing "\n"s. This is fixed in master (096d75b8fb2) and should be backported to stable. -- Jürgen