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KevinH · 11-23-2022, 09:54 PM

Q1 Answer I will leave to Doitsu or others.

Q2 Answer: According to epub2 official spec and schemas (very old now) "lang" is not an allowed attribute on the html tag but xml:lang is allowed and is recognized and takes precedence. I think it is safe to ignore those errors as that rule has been relaxed over the years but FC has not changed with that interpretation of the rules.

Q3 Answer: yes marking the language is a good thing in general. And especially true if multiple languages are used in the book.

Q4 Answer: To be safest, both xml:lang and lang should have the same value and the language region should be properly capitalized.

So for epub2 either remove the lang attribute leaving just the xml:lang attribute or keep them (ignoring the errors from FC) and make them all say "en-US" so they match just to be safe.

11-23-2022, 09:54 PM	#2
KevinH Sigil Developer Posts: 8,804 Karma: 6000000 Join Date: Nov 2009 Device: many	Q1 Answer I will leave to Doitsu or others. Q2 Answer: According to epub2 official spec and schemas (very old now) "lang" is not an allowed attribute on the html tag but xml:lang is allowed and is recognized and takes precedence. I think it is safe to ignore those errors as that rule has been relaxed over the years but FC has not changed with that interpretation of the rules. Q3 Answer: yes marking the language is a good thing in general. And especially true if multiple languages are used in the book. Q4 Answer: To be safest, both xml:lang and lang should have the same value and the language region should be properly capitalized. So for epub2 either remove the lang attribute leaving just the xml:lang attribute or keep them (ignoring the errors from FC) and make them all say "en-US" so they match just to be safe. Last edited by KevinH; 11-24-2022 at 10:35 AM.