Tickets :: Comment on [#7216] Attaching an empty file (0 bytes) fails with no feedback

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Comment	> We do display an error - my changes to add the alerts log broke alert > display on the compose page, which has been fixed. > > > > And we have previously discussed the '0 bytes attachment' issue > previously (although I couldn't find the discussion with a quick > search). IIRC the reason we don't allow 0 byte attachments is either > 1.) it has something to do with the limitation of the PHP upload core > code and/or 2.) users uploading a file that may be in use on the > browser-side (i.e. a windows temp file) get instant notification that > the file they thought they have attached wasn't attached and/or 3.) > we couldn't think of a situation (outside of testing) why a 0-byte > file was valid.
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