Jürgen Spitzmüller writes: > LyX does this automatically for you, that's why your document works if the > code is inserted directly to the preamble. In former versions, Lyx blindly > embraced any preamble with this pair. Now, it tries to be smart and only > embraces it if the preamble actually contains an @-glyph.
Right, but LyX could also check whether \input is used in the preamble and add the \makeatletter,\makeatother pair as a safety measure. -- Enrico
