Just discovered this, thought I'd share....
Uploading a file as, or renaming on the server or in the File Manager toseems to me a great solution to the problems involved with providing Meta text to a photo.A test to see how long the name of an image can be. And ,if it can contain grammar. And if it displays ok if the filename is too long for the box. Not sure which characters are illegal.jpg
In Gallery (on mouseover), or in a Lightbox this text string is displayed minus the ".jpg"... I think because of the fact that if you don't provide meta, the filename is used instead.
In the File Manager you can see at a glance the meta text, as it is the filename. Delete the file and the meta goes with it.
I'm sure this technique won't be always appropriate, and maybe someone can see a drawback, but in my case I've discovered its much easier than using MetaCreator to create a Meta.txt for each photo in Gallery.
EDITI think these are the characters you can't use/\:*?"<>|
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