Code showing in mobi (from epub)

BKh · 07-23-2012, 11:00 AM

What could be causing markup code to be showing sometimes in a finished Mobi file on a Kindle? It only happens when I use the 4-way navigator to skip ahead or back. And it doesn't always happen. I have attached a screen shot from the Kindle (keyboard version).

I create the files in Sigil and then use Calibre to make the mobi. I have looked at pages where it happens and where it doesn't happen and can't see a difference in the code. I have included the code from the page associated with the screenshot below.

Any ideas?

Code:

<?xml version="1.0" encoding="utf-8" standalone="no"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
  "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head>
  <title></title>
  <link href="../Styles/Stylesheet.css" rel="stylesheet" type="text/css" />
</head>

<body>
  <h2 class="sutta" id="heading_id_2" title="4. Nandakovādasuttaṃ"><span class="sutnum">4.</span>&nbsp;Nandakovādasuttaṃ</h2>

  <p class="bodytext"><a id="para398"></a><a id="para398_mn3"></a><span class="paranum">398</span>. Evaṃ <a id="T3.0486"></a><a id="V3.0324"></a> me sutaṃ – ekaṃ samayaṃ bhagavā sāvatthiyaṃ viharati jetavane anāthapiṇḍikassa ārāme. Atha kho mahāpajāpatigotamī pañcamattehi bhikkhunisatehi saddhiṃ yena bhagavā tenupasaṅkami; upasaṅkamitvā bhagavantaṃ abhivādetvā ekamantaṃ aṭṭhāsi. Ekamantaṃ ṭhitā kho mahāpajāpatigotamī bhagavantaṃ etadavoca – “ovadatu, bhante, bhagavā bhikkhuniyo; anusāsatu, bhante, bhagavā bhikkhuniyo; karotu, bhante, bhagavā bhikkhunīnaṃ dhammiṃ katha”nti <span class="note">[dhammikathanti (syā. kaṃ. ka.)]</span>.</p>

kovidgoyal · 07-23-2012, 11:02 AM

It's a bug in amazon's mobi renderers. If you dont care about supporting older kindles, convert to azw3 instead.

BKh · 07-23-2012, 11:11 AM

Thanks for the instant reply (and apologies if this has been discussed previously and I missed it in my search).

I was planning on sharing these with the general public. I'm wondering if people with older Kindles have come to expect that they will have to convert some files into regular mobi's?

And thanks, Kovid, for all your work on Calibre.

DiapDealer · 07-23-2012, 03:22 PM

There are ways to construct the source for your MOBIs so that you can drastically limit this behavoir. Namely: "Anchors Must Be Added Before Formatting Tags"

If your NCX file contains a navPoint similar to:

Code:

<navPoint id="navPoint-1" playOrder="1">
  <navLabel>
    <text>Chapter One</text>
  </navLabel>
  <content src="Text/some_file.html#Chapter1"/>
</navPoint>

Then the target html file needs to contain something like the following:

Code:

<a id="Chapter1"/><h1>Chapter 1</h1>

And not:

Code:

<h1><a id=”Chapter1”/>Chapter 1</h1>

or:

Code:

<h1 id="Chapter1">Chapter 1</h1>

The second two both run the risk of html code showing when following a link to "some_file.html#Chapter1" (including jumping from chapter to chapter using the arrow keys)

BKh · 07-23-2012, 04:08 PM

Quote:

Originally Posted by DiapDealer

There are ways to construct the source for your MOBIs so that you can drastically limit this behavoir. Namely: "Anchors Must Be Added Before Formatting Tags"

Wow. Thank you. That's fascinating and matches what little I know about Kindles and Mobi. Unfortunately since I am using Sigil to do all of my heavy lifting on the ToC and NCX file I don't think I will be able to code them that way. If I ever create something that really matters now I know what to do to fix it.

I'm guessing there is no way to tell Calibre to move the id's out from inside the h tags when it creates the mobi, is there?

07-23-2012, 03:22 PM	#4
DiapDealer Grand Sorcerer Posts: 27,546 Karma: 193191846 Join Date: Jan 2010 Device: Nexus 7, Kindle Fire HD	There are ways to construct the source for your MOBIs so that you can drastically limit this behavoir. Namely: "Anchors Must Be Added Before Formatting Tags" If your NCX file contains a navPoint similar to: Code: <navPoint id="navPoint-1" playOrder="1"> <navLabel> <text>Chapter One</text> </navLabel> <content src="Text/some_file.html#Chapter1"/> </navPoint> Then the target html file needs to contain something like the following: Code: <a id="Chapter1"/><h1>Chapter 1</h1> And not: Code: <h1><a id=”Chapter1”/>Chapter 1</h1> or: Code: <h1 id="Chapter1">Chapter 1</h1> The second two both run the risk of html code showing when following a link to "some_file.html#Chapter1" (including jumping from chapter to chapter using the arrow keys)

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07-23-2012, 11:02 AM	#2
kovidgoyal creator of calibre Posts: 43,842 Karma: 22666666 Join Date: Oct 2006 Location: Mumbai, India Device: Various	It's a bug in amazon's mobi renderers. If you dont care about supporting older kindles, convert to azw3 instead.

07-23-2012, 11:11 AM	#3
BKh Zealot Posts: 107 Karma: 1000 Join Date: Mar 2011 Device: Kindle	Thanks for the instant reply (and apologies if this has been discussed previously and I missed it in my search). I was planning on sharing these with the general public. I'm wondering if people with older Kindles have come to expect that they will have to convert some files into regular mobi's? And thanks, Kovid, for all your work on Calibre.

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