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Old 02-13-2015, 11:06 AM   #7
Rob557
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Posts: 108
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Join Date: Jul 2012
Device: Kobo
Quote:
Originally Posted by theducks View Post
I believe that character is substituted by the render engine to mean 1 of Many possible missing from the current character-font set. Some OS use a square, others display a box with the (utf?)code digits
As a test I inserted some symbols into Word and then tried to change the font selection for those symbols, which eventually produced the sort of white square that theducks was mentioning. The code inside the white square only became visible when I copied it into this posting:  . I guess if there are certain characters (e.g. some quote characters) that a user finds are being replaced by that sort of coded square, then that coded square could be used in addition to "�" and "^" to bulk-identify potential problem books, but it looks as though there may not be one generic white square for problems and instead each one might contain a code unique to a problem character? There may be other error-indicator symbols (I seem to recall a small black square) and it may just be a matter of tripping across them and adding them to the list.

Theducks, in light of your experience with Calibre, a second take-away from your response would I guess be that there doesn't seem to be any current functionality in Calibre or its add-ons that would allow a user to make a bulk determination, as per my prior email, of the number of occurrences of such character strings in the selected subset of problem books.
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