The Filters branch under Configuration - Editor- Spell Checker allows specification of filters to be used to ignore certain items in documents being checked by the spell checker. If the For syntax files, only spell check checkbox is selected the following options are available. (Only one filter may be used at a time.):
Comments
If this option is selected, only content in line and block comments will be checked.
Strings
If this option is selected, only content in strings (normally between ' and " characters) will be checked.
Comments and strings
If this option is selected, only content in line and block comments and strings will be checked.