In the Revit.ini file, settings in the [Spellings] section correspond to settings on the Check Spelling tab of the Options dialog.
Corresponds to the Building industry dictionary listed under Additional dictionaries. Specify the location and filename of the dictionary to use.
Type = string
Default value = C:\ProgramData\Autodesk\RVT 2015\RevitENU.dic
Corresponds to the Personal dictionary listed under Additional dictionaries. Specify the location and filename of the dictionary to use.
Type = string
Default value = C:\ProgramData\Autodesk\RVT 2015\Custom.dic
Corresponds to the Main Dictionary > Autodesk Revit setting, which specifies the language to use for the Revit-specific dictionary.
Type = integer
Valid values:
Corresponds to the Settings values for rules to follow when checking spelling in the software. The integer indicates the selected combination of values.
Type = integer
Default value = 18 (Ignore words with numbers + Find repeated words)
[Spelling] OptionFlagsSSCE=31 ArchDict=C:\ProgramData\Autodesk\RVT 2015\RevitCustom.dic CustomDict=C:\ProgramData\Autodesk\RVT 2015\MyCustom.dic LanguageCode=10