Quote:
Originally Posted by JSWolf
It would save significant time going ePub > ePub instead of ePub > Mobi > ePub. I don't think doing it the Mibi way would make any noticeable difference. Calibre can either handle the broken ePub and create working ePub or not. Going to Mobi is just going to slow things down considerably.
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In the case of the lit and lrf files wide line spaces were caused by non standard font sizes which going epub to epub did not change. I used tweak epub and changed some of them but had quite a few older books. Then I though mobi just does small medium and large fonts for the most part and tried that and it worked. Kovid Goyal actually has recommended this to others with the same problem, although at the time he recommended that I change the font size to 1 em in the CSS box. Which was okay but all the font sizes were the same. Better than the quadruple line spacing. The epub>mobi>epub keeps the font sizes proportional. And yes I did try the other font size options in convert.
The thing with these books is that they all work fine on Sony and calibre viewer and other readers AFAIK, just Kobo has the problem. Same problem Kobo has with some converted B&N books I am told.
Typical stylesheet
Converting to mobi changes 0.77419em; to small and converting back changes it to 0.75em which works ok. Maybe I could have used another method but I had several thousand old PD boos and just wanted to get it done .
PS not saying this will do anything for the SOny slowness, as the Sony has no problems with these files. But it does clean them up a bit.
And as I said going epub to epub does nothing in these cases and is a considerable waste of time
Basically I got my message in the wrong thread as I meant to respond to Bittybyes other thread. Sorry about that