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Old 05-19-2024, 07:20 AM   #1
PunkyKoopa
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New kobo setup. I can't remember some basic stuff.

Hello fellow readers,

I am trying to set up a new Kobo for a close friend.

I have already configured Calibre to sort the books in his library to his liking, and the books are correctly sent to Calibre and both series and collections are working well.

He also wants the KePub renderer to look exactly as mine does. I have already installed the fonts that I have, but I have three main concerns now.
  1. When I configured my device, I installed the better hyphens dictionary, and I had problems with it, for example, having hyphens like this
    Quote:
    car-
    -s
    I eventually solved it by changing a value in a file but I can't remember how I did it.
  2. I also changed the webkitTextRendering option to optimizelegibility in the Kobo eReader.conf file. As today, this is still the best way to do it, right?
  3. I also changed the word spacing value to 0.05em and I remember that it was done by changing a value in a CSS file but I can't remember how it was done.

Can you help me?

Thank you.
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Old 05-19-2024, 09:26 AM   #2
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The word spacing value is a patch, not a css file. You patched your Kobo.

Whether enabling OptimizeLegibility is the best way to read kepubs is a matter of taste. It enables kerning and ligatures, but messes up word and letter spacing. Personally I don't use it.
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Old 05-19-2024, 01:48 PM   #3
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Quote:
Originally Posted by Sirtel View Post
The word spacing value is a patch, not a css file. You patched your Kobo.

Whether enabling OptimizeLegibility is the best way to read kepubs is a matter of taste. It enables kerning and ligatures, but messes up word and letter spacing. Personally I don't use it.
I've not found word spacing to be messed up. It's just sometimes letter spacing is messed up, but not often enough to be too much of an issue. It's better with kerning. Ligatures I can take or leave as I really don't notice them.
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Old 05-19-2024, 02:40 PM   #4
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Quote:
Originally Posted by JSWolf View Post
I've not found word spacing to be messed up. It's just sometimes letter spacing is messed up, but not often enough to be too much of an issue. It's better with kerning. Ligatures I can take or leave as I really don't notice them.
Word spacing is messed up if one doesn't use hyphenation.

I couldn't care less about either kerning or ligatures. I do care about word and letter spacing, so I don't enable the legibility option. YMMV, obviously.
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Old 05-19-2024, 03:00 PM   #5
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Quote:
Originally Posted by Sirtel View Post
The word spacing value is a patch, not a css file. You patched your Kobo.
The thing is that I never patched my Kobo. I am 100% sure about that. And I am almost 100% sure that I had to create a new file in the root of the device.

Quote:
Originally Posted by Sirtel View Post
Whether enabling OptimizeLegibility is the best way to read kepubs is a matter of taste. It enables kerning and ligatures, but messes up word and letter spacing. Personally I don't use it.
I didn't notice that, but my question was about the method to enable the setting. I wonder if changing the Kobo eReader.conf file is still the best method or it has been officially implemented or something like that.

Thank you!
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Old 05-19-2024, 05:01 PM   #6
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Some people prefer geometricPrecision to optimizeLegibility, as it improves word/letter spacing a bit.
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Old 05-20-2024, 11:46 AM   #7
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There is no need to resend the books if I switch optimizeLegibility to geometricPrecision, right?
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Old 05-20-2024, 12:41 PM   #8
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Quote:
Originally Posted by Sirtel View Post
Word spacing is messed up if one doesn't use hyphenation.

I couldn't care less about either kerning or ligatures. I do care about word and letter spacing, so I don't enable the legibility option. YMMV, obviously.
I wouldn't know as I do use hyphenation. I do not want rivers of space. So I use hyphenation. That's why I created the better hyphenation dictionaries.

I'm pretty sure that the included English hyphenation dictionary would work well if the left/right numbers were set to 2/2 or 2/3 instead of (I think) 5/5.
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Old 05-20-2024, 12:47 PM   #9
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Quote:
Originally Posted by PunkyKoopa View Post
The thing is that I never patched my Kobo. I am 100% sure about that. And I am almost 100% sure that I had to create a new file in the root of the device.



I didn't notice that, but my question was about the method to enable the setting. I wonder if changing the Kobo eReader.conf file is still the best method or it has been officially implemented or something like that.

Thank you!
The editing of the config file works, but it's not official as there is no option for it in the settings. You cannot reduce the word spacing of KePub without patching.
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Old 05-20-2024, 01:04 PM   #10
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There is no need to resend the books if I switch optimizeLegibility to geometricPrecision, right?
Correct. No need to resend the eBooks.
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Old 05-20-2024, 01:29 PM   #11
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I think that I have figured it out.

I changed the left/right numbers to 3 in the dictionary to avoid starting a line with a single letter. And regarding the word spacing, this is what I did.

https://www.mobileread.com/forums/sh...&postcount=158

Does it look right to you?
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Old 05-20-2024, 02:31 PM   #12
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Quote:
Originally Posted by PunkyKoopa View Post
And regarding the word spacing, this is what I did.

https://www.mobileread.com/forums/sh...&postcount=158

Does it look right to you?
That's a widows and orphans setting, not word spacing.
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Old 05-20-2024, 02:34 PM   #13
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I know. The setting for the word spacing is:

Quote:
body {word-spacing: -0.05em}
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Old 05-20-2024, 02:41 PM   #14
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Well, yes, it should work, only this code must be inserted in every ebook. With patching there is no need to insert it in books. If your friend will load ebooks to their Kobo later on without that css value inserted, they'll lose the smaller word spacing.
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Old 05-20-2024, 03:07 PM   #15
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Yes, I know, but I think that patching won't be easy for me, let alone my friend.

I could use both Un-Force user text-align in div,p tags in KePubs and the word-spacing patches, but I fear to brick my device.
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