Hello Daniel

, thanks for your answer !
For the moment a php5 upgrade is not planned a

there are other sites on this server and with the last change of php version much of scripts stopped functioning.
I already tried to modify LC TIME by LC ALL, but it doesn’t works

. - The spelling of snippet param is OK
I will ask my provider il the french locale is installed (i hope, the server is in France...).
I going to try with pure html editor.
Thanks a lot for your help. I will tell you if it works.
Big regards.
Chris.