Quote:
Originally Posted by DNSB
My basic ePub stylesheet includes widows: 1; and orphans: 1;—do not use 0 as that is undefined and in many cases, using 0 will use to whatever the renderer default is (2 or 3 are common).
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Because the number of lines to consider is 1 less than the setting, so 0 doesn't even make sense.
A setting of 0 (or any CSS error) can cause some renderers to ignore all the CSS.