[orca-list] A not marked text attribute for translation

[Hammer Attila <hammera pickup hu>]

Dear List,

Before I opening an l10n related bugreport, I would like ask following 
questions:
When I opening for example gedit, and look Orca preferences/text 
attribute page, I see a following named attribute:
text-spelling
This attribute is seeing for example if I launching Openoffice.org writer.

When I launching an another application and looking again the text 
attribute page, for example with Mozilla Thunderbird, this attribute is 
not seeing, but seeing a translated "mistake" labelled attribute, with 
identifiing the word mistakes.
What doing the text-spelling attribute, and possible marking translation 
with src/orca/text_attributes.py file? I not see any change if I marking 
text-spelling attribute spokening check box for example with gedit.

Attila