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From: "Carlos E. R." <robin_listas@es.invalid>
Newsgroups: comp.mobile.android,alt.os.linux,alt.comp.os.windows-10
Subject: Re: How to copy & read a huge zipped book with thousands of html & jpeg files
Date: Mon, 6 Jul 2026 12:12:36 +0200
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On 2026-07-06 08:58, Dave Royal wrote:
> "Carlos E. R." <robin_listas@es.invalid> Wrote in message:
> 
>> On 2026-07-05 22:00, Dave Royal wrote:
>>> In the days when software was released on CD such html documentation was common. But any browser could read local http files then.
>>>
>> Yes, I know. But calling that "book" confused me.
>>
> I wouldn't call it a book either. The rust manual, to which had a
>   bookmark (!) on this tablet, was the first example I thought of.
>   It was just fortuitous that it had 'book' in the url. I see this
>   in the source:
>    <!-- Book generated using mdBook -->
>>
>> Epub is also liquid.
>>
> I had forgotten. A few years back I converted a 'tunebook' - a mix of musical scores and text - into mobi format for display on a kindle. You want the score to occupy the whole page width, as big as possible. I wasn't sure how mobi resized the images, hence my comment in https://mudcat.org/thread.cfm?threadid=171470#4147314
> "I wonder if the mobi has converted the compressed SVGs to some
>   other image format, each at several sizes for different
>   Kindles?"

The kindle doesn't use epub format. They are two competing markets with 
different software.

The images I have seen on epubs are bitmaps, so hardly "zoomable". I 
mean, if the image has more pixels than my ebook device, the image 
results hard to read or view.

-- 
Cheers,
        Carlos E.R.
        ES🇪🇸, EU🇪🇺;