Blank pages in Epub when it is read.

mattfr · Today, 03:18 AM

I am just wondering if anyone has some words of wisdom about the blank pages issue in Epub readers? Is there anything in the code of the Epub you can add to prevent this phenomenon? It seems random on different Ereaders. No matter how clean the code is at the end of the section the blank page still appears when it is read with an Ereader. Thanks, Mattfr

Karellen · Today, 04:32 AM

Do you have a book you can share? If it is in copyright, you could scramble it before uploading.

DiapDealer · Today, 06:21 AM

Do you have any reason to believe Sigil lies at the root of your issue? Using Sigil to make a problematic epub does not necessarily make this about Sigil. Post some code samples and we might be able to rule Sigil out (or in). Otherwise, we're flying completely blind.

JSWolf · Today, 07:29 AM

Quote:

Originally Posted by mattfr

I am just wondering if anyone has some words of wisdom about the blank pages issue in Epub readers? Is there anything in the code of the Epub you can add to prevent this phenomenon? It seems random on different Ereaders. No matter how clean the code is at the end of the section the blank page still appears when it is read with an Ereader. Thanks, Mattfr

The problem comes in some programs when the content hits the bottom of the page. If the next page is another HTML file, then you could get a blank page.

This has nothing to do with Sigil.

Turtle91 · Today, 07:47 AM

As JSWolf mentioned, it is more than likely some kind of overflow issue. Unfortunately, your coding could be perfectly correct but the reader device/app could be causing it's own issues...thus the randomness.

For example, if you have an image on a page that uses 100%, or 100vw/vh, that would be perfectly acceptable coding...But if the device/app calculates screen space and sets aside landscape for headers, footers, etc. the TOTAL area used would be greater than the screen...causeing the overflow and the extra blank page at the end.

As Diap mentioned, we can't troubleshoot any further without something to work with...example coding and what devices you are seeing the problems with would help.

Cheers!

JSWolf · Today, 07:49 AM

Quote:

Originally Posted by Turtle91

As JSWolf mentioned, it is more than likely some kind of overflow issue. Unfortunately, your coding could be perfectly correct but the reader device/app could be causing it's own issues...thus the randomness.

For example, if you have an image on a page that uses 100%, or 100vw/vh, that would be perfectly acceptable coding...But if the device/app calculates screen space and sets aside landscape for headers, footers, etc. the TOTAL area used would be greater than the screen...causeing the overflow and the extra blank page at the end.

As Diap mentioned, we can't troubleshoot any further without something to work with...example coding and what devices you are seeing the problems with would help.

Cheers!

I wonder if there is a fix for this if it is an overflow issue.

For an image, use a bottom margin of 0. For the last paragraph, use a class that gives it a bottom margin of 0.

Do you think these might work?

Turtle91 · Today, 07:55 AM

I have these same issues even with a zero margin set on everything, that's why I mentioned that it could be caused by the device/app itself rather than anything the coding does. Hard to tell without seeing any of the coding.

JSWolf · Today, 08:03 AM

Quote:

Originally Posted by Turtle91

I have these same issues even with a zero margin set on everything, that's why I mentioned that it could be caused by the device/app itself rather than anything the coding does. Hard to tell without seeing any of the coding.

I normally have blockquotes set with a 1em bottom margin. But when the blockquote is at the end of the chapter, I use a class to set the bottom margin to 0 so a blank page might not happen.

Turtle91 · Today, 08:57 AM

And that almost certainly helps, but the problem is still there even when ALL items have a zero margin. I’m pretty sure ONE of the issues is how (and in what order) the device/app allocates it’s reading space. That is completely independent of the coding. I’ll draw a picture of what I mean after I get home from work.

JSWolf · Today, 10:50 AM

Quote:

Originally Posted by Turtle91

And that almost certainly helps, but the problem is still there even when ALL items have a zero margin. I’m pretty sure ONE of the issues is how (and in what order) the device/app allocates it’s reading space. That is completely independent of the coding. I’ll draw a picture of what I mean after I get home from work.

I use Bookfusion on iOS and the problem of the blank page does exist.

Today, 03:18 AM	#1
mattfr Junior Member Posts: 6 Karma: 10 Join Date: Jul 2024 Device: none	Blank pages in Epub when it is read. I am just wondering if anyone has some words of wisdom about the blank pages issue in Epub readers? Is there anything in the code of the Epub you can add to prevent this phenomenon? It seems random on different Ereaders. No matter how clean the code is at the end of the section the blank page still appears when it is read with an Ereader. Thanks, Mattfr

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Today, 04:32 AM	#2
Karellen Wizard Posts: 1,216 Karma: 4949904 Join Date: Sep 2021 Location: Australia Device: Kobo Libra 2	Do you have a book you can share? If it is in copyright, you could scramble it before uploading.

Today, 06:21 AM	#3
DiapDealer Grand Sorcerer Posts: 27,711 Karma: 196949708 Join Date: Jan 2010 Device: Nexus 7, Kindle Fire HD	Do you have any reason to believe Sigil lies at the root of your issue? Using Sigil to make a problematic epub does not necessarily make this about Sigil. Post some code samples and we might be able to rule Sigil out (or in). Otherwise, we're flying completely blind.

Today, 07:47 AM	#5
Turtle91 A Hairy Wizard Posts: 3,134 Karma: 18727091 Join Date: Dec 2012 Location: Charleston, SC today Device: iPhone 11/X/6/iPad 1,2,Air & Air Pro/Surface Pro/Kindle PW & Fire	As JSWolf mentioned, it is more than likely some kind of overflow issue. Unfortunately, your coding could be perfectly correct but the reader device/app could be causing it's own issues...thus the randomness. For example, if you have an image on a page that uses 100%, or 100vw/vh, that would be perfectly acceptable coding...But if the device/app calculates screen space and sets aside landscape for headers, footers, etc. the TOTAL area used would be greater than the screen...causeing the overflow and the extra blank page at the end. As Diap mentioned, we can't troubleshoot any further without something to work with...example coding and what devices you are seeing the problems with would help. Cheers!

Today, 07:55 AM	#7
Turtle91 A Hairy Wizard Posts: 3,134 Karma: 18727091 Join Date: Dec 2012 Location: Charleston, SC today Device: iPhone 11/X/6/iPad 1,2,Air & Air Pro/Surface Pro/Kindle PW & Fire	I have these same issues even with a zero margin set on everything, that's why I mentioned that it could be caused by the device/app itself rather than anything the coding does. Hard to tell without seeing any of the coding.

Today, 08:57 AM	#9
Turtle91 A Hairy Wizard Posts: 3,134 Karma: 18727091 Join Date: Dec 2012 Location: Charleston, SC today Device: iPhone 11/X/6/iPad 1,2,Air & Air Pro/Surface Pro/Kindle PW & Fire	And that almost certainly helps, but the problem is still there even when ALL items have a zero margin. I’m pretty sure ONE of the issues is how (and in what order) the device/app allocates it’s reading space. That is completely independent of the coding. I’ll draw a picture of what I mean after I get home from work.

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