Hi,
I think (or rather "guess", since my French is very bad) that the others have already mentioned that there is no 'change' command in either TextEdit or TextCommands. Not sure where you got that from!
This won't win any prizes, but should do the job...
tell application "TextEdit"
tell front document
set theText to text 1
set text 1 to my replaceTheText(theText, " cie ", " de ")
end tell
end tell
on replaceTheText(theText, theFromString, theToString)
tell application "TextCommands"
search theText for theFromString replacing with theToString
end tell
end replaceTheText
...bear in mind that it won't respect any text formatting though.
Hope that's of some help.
r.
---
Rob Stott
Production Workflow Developer
Watt Gilchrist Ltd
Albion Mills, Albion Road
Bradford, BD10 9TQ
Internal extension: 467