Write below keyboard shortcut

It used to be Ctrl+= in Mathematica 7, but in Mathematica 8 instead of writing below this shortcut starts free-form input. The documentation at tutorial/KeyboardShortcutListing hasn't been updated. Which shortcut is n开发者_如何学JAVAow used for writing below?

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Below is Ctrl+4 (or $) now. You can find that information in the file

($InstallationDirectory)\SystemFiles\FrontEnd\TextResources\Windows\KeyEventTranslations.tr

(expand $InstallationDirectory in Mathematica to find this directory)