- uniform formatting, clarifications, simplifications, updates, added missing information
- German Customization.lyx: also translations, added missing information that is already in the other language versions
- Italian Customization.lyx: use the same document settings as the English version
- Additional.lyx: revert undesired change from last commit
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@39352 a592a061-630c-0410-9148-cb99ea01b6c8
- the \LyX macro is no longer fragile since r37164, therefore preamble code can go
- some intro cleanups and fixes to have an uniform layout for all language variants
- remove some obsolete text from Polish and Basque Additional.lyx versions
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@39350 a592a061-630c-0410-9148-cb99ea01b6c8