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Old 09-28-2024, 09:40 AM   #1
foosion
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Remove undefined classes from html?
The editor has a function to remove unused CSS rules. Is there a function to remove undefined classes from the html files? If not, is there a reason such a function would not be a good idea?
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Old 09-28-2024, 10:31 AM   #2
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Not auto-magic, but Diaps toolbag can do 1 (case definition) at a time.
It also can remove or modify 'naked' tags.

Now for your other Q. Should you
Maybe.
My device mishandles some things (or I just hate the effect).
I can just comment out the offending CSS without destroying the original intent.
That leaves a simple recovery path.
If I nuke the class code. It is just GONE.
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Old 09-28-2024, 11:08 AM   #3
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Quote:
Originally Posted by theducks View Post
Not auto-magic, but Diaps toolbag can do 1 (case definition) at a time.
It also can remove or modify 'naked' tags.
Search/replace with regex also works.

Quote:
Originally Posted by theducks View Post
Now for your other Q. Should you
Maybe.
My device mishandles some things (or I just hate the effect).
I can just comment out the offending CSS without destroying the original intent.
That leaves a simple recovery path.
If I nuke the class code. It is just GONE.
If it's just an undefined class there doesn't seem much risk. Emptying or removing a CSS class, then removing that class from the html is higher risk, but if there's no apparent visual effect the risk seems rather low.
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Old 09-28-2024, 02:33 PM   #4
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Personally, I've been using Sigil with the cssUndefinedClasses plugin for that task. I do switch between Sigil and calibre's ebook-editor when editing since both have tools that make some tasks easier.
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Old 09-28-2024, 03:33 PM   #5
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Quote:
Originally Posted by DNSB View Post
Personally, I've been using Sigil with the cssUndefinedClasses plugin for that task. I do switch between Sigil and calibre's ebook-editor when editing since both have tools that make some tasks easier.
That works.
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Old 09-28-2024, 03:50 PM   #6
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Quote:
Originally Posted by foosion View Post
The editor has a function to remove unused CSS rules. Is there a function to remove undefined classes from the html files? If not, is there a reason such a function would not be a good idea?
If there are classes in the HTML that are not used, they will be removed. If they belong to a <div> or <span> the <div> and/or <span> will be left empty. I cannot see the reason for the empty <span> but you may want to keep the empty <div> if it surrounds an <img>.

You can use Diaps Editing Toolbag to remove empty <div> and <span>.
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Old 09-28-2024, 10:59 PM   #7
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The remove unused CSS tool already has an option to remove unused class attributes.
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Old 09-29-2024, 08:44 AM   #8
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Quote:
Originally Posted by kovidgoyal View Post
The remove unused CSS tool already has an option to remove unused class attributes.
Can the remove unused CSS have options to remove empty <div> and empty <span> as well when it removes classes from them? Thanks.
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