In Eclipse Oxygen with CDT I can configure spell checking for most file types under
Preferences > General > Editors > Text Editors > Spelling
However for XML files, which are apparently opened in the "Structured Text Editor", I can not find such an option.
Is this hidden somewhere or covered by a good plug-in?
Update
The user guide mentions spell-checking for "Structured Text Editor", but that does not match the actual UI; neither "Window > Preferences > Spell Check" exists as described nor "Edit > Spell Check":
