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Old 01-12-2025, 10:14 AM   #5
JSWolf
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Posts: 79,887
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Join Date: Nov 2006
Location: Roslindale, Massachusetts
Device: Kobo Libra 2, Kobo Aura H2O, PRS-650, PRS-T1, nook STR, PW3
Quote:
Originally Posted by Falkor View Post
Kerning is the spacing between individual letterforms, while letter-spacing or tracking is the overall spacing of characters. Letter-spacing is what's the issue here.

Neither RMSDK nor the default renderer do anything when I set letter-spacing in CSS.

This works fine in Calibre, Thorium, Sigil and Apple Books:
Code:
CSS:
.spacing {
  letter-spacing:0.5em;
  }

HTML:
<span class="spacing">text</span>
(see attached screenshot –*it's applied to the word "consectetuer")

Both renderers seem to apply kerning by default. In the default renderer it can be deactivated with CSS, in RMSDK it can't. Deactivating kerning in the default renderer doesn't fix my problem. It's definitely a letter-spacing issue.



So I'm not the only one noticing this issue. I also sent them a complaint.
It's not an issue you will ever get fixed. Letter spacing does not work in the version of RMSDK that is being used on your Pocketbook. I don't know if letter spacing works on the current ADE. So it's not something Pocketbook is going to fix. You would need to get Adobe to fix it and Pocketbook to update RMSDK. It's a losing battle.

Letter spacing does nothing in RMSDK. calibre, Sigil, Thorium, and Books do support letter spacing.
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