Quote:
Originally Posted by ldolse
I took a book that didn't have a colon in the name and manually added it - using Calibre. Don't worry, I'm not trying to trip Calibre up by managing files myself 
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Calibre should have made sure the filename was valid by substituting a char for the invalid one. AFAIK the title always remains as typed in the booklist.
"Genellan: Planetfall" is my example. The colon was replaced with an underscore in the filename.