Here is my problem.
I typed a long answer to a question and after checking the spelling I added a smiley face to the post .
I submitted it and guess what i seen.
There was a great smiley face but the answer I typed in wasn't there.
This has happened to me several times.
Only answer I can give was that if the text was hilited at the time you inserted the smilie then the smilie would overwrite that text, but there could be other reasons.
Hadn't logged in above - I presume it was a flyaway Smilie and not one from another outside source?? I never submit a post without previewing it first cos what you see in the preview is what will be posted and gives you a chance to change/amend/add.
I just did a trial with the text hilited and the smilie did overwrite the whole thing but had taken the precaution to copy all the text and I have just pasted it all back in.
The copy of the TeX is a great idea.
Thanks for the tip.