[gmx-users] on the attachment symbol of some e-mail from our GROMACS users

[Acoot Brett]

Dear All,
 
Have you paid attention to this fact, for some e-mails from our Discussion list for GROMACS users, although they do not contain attachment files, the attachment file symbols exist.
 
What is the reason?
 
Cheers,
 
Acoot   
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