>>>>Can you provide an example of how single quotes behave differently to double qoutes in this context ?
>>>
>>>modify command "a file with it's misplaced apostrophe in the name.prg"
>>
>>Not sure that 'in this context' covers that - but point taken.....
>
>The context is filenames, and you may return the point after you've played with it for a while.

I meant in the context of the thread. The cause of the problem was not that single quotes were used instead of double quotes.