Blank pages between chapters?

rcentros · 08-19-2024, 12:51 AM

It seems like the Calibre Viewer is adding blank pages between chapters now. For me it's pretty much every book. Has anyone else noticed this? (I used Linux, currently using Calibre 7.14.)

DNSB · 08-19-2024, 01:23 AM

I have noticed that with some books. For most of them, when I look at the content, I find that for some reason that I can't wrap my mind around, the last lines of the text are blank lines. This can also happen when a margin-bottom is used to give space between paragraphs which is why I prefer a padding-top. Sample from one recent book:

Code:

   <p style="margin:0.00% 0.00%; text-align:center; widows:0; orphans:0"> <span style=" font-size:1.25rem"> </span> </p>
   <p style="margin:0.00% 0.00%; text-align:center; widows:0; orphans:0"> <span style=" font-size:1.25rem"> </span> </p>
   <p style="margin:0.00% 0.00%; text-align:center; widows:0; orphans:0"> <span style=" font-size:1.25rem"> </span> </p>
   <p style="margin:0.00% 0.00%; text-align:center; widows:0; orphans:0"> <span style=" font-size:1.25rem"> </span> </p>
   <p style="margin:0.00% 0.00%"> </p>
  </div>

nabsltd · 08-19-2024, 12:10 PM

Quote:

Originally Posted by DNSB

Sample from one recent book:

When you have crappy HTML/CSS, you can get weird behavior.

I'm pretty sure that a compliant HTML renderer could turn all that into nothing at all, since each p contains nothing but spaces, which can be collapsed into a content box of 0px wide and 0px high. Since there is no additional margin or padding, the entire box would be 0px high and whatever the page width is for width.

So, among all the ways to try to add vertical space, what you found is probably the worst, as it might not even work.

DNSB · 08-19-2024, 06:00 PM

It may be ugly and I have trouble understanding why it is at end of a file or why the span is only wrapped around the middle space in the triad but I will admit that I did not find an application or device where it did not give a blank line (four web browsers, 5 epub rendering applications on Windows, iOS and Android and 3 brands of ereaders).

What I did succeed in is finding that when the last text in the chapter fell close enough to the bottom of the screen, one or more blank lines pushed onto the next screen causing a blank page to be displayed.

08-19-2024, 12:51 AM	#1
rcentros eReader Wrangler Posts: 7,743 Karma: 50255637 Join Date: Mar 2013 Location: Boise, ID Device: PB HD3, GL3, Tolino Vision 4, Voyage, Clara HD	Blank pages between chapters? It seems like the Calibre Viewer is adding blank pages between chapters now. For me it's pretty much every book. Has anyone else noticed this? (I used Linux, currently using Calibre 7.14.)

08-19-2024, 01:23 AM	#2
DNSB Bibliophagist Posts: 40,345 Karma: 156982136 Join Date: Jul 2010 Location: Vancouver Device: Kobo Sage, Libra Colour, Lenovo M8 FHD, Paperwhite 4, Tolino epos	I have noticed that with some books. For most of them, when I look at the content, I find that for some reason that I can't wrap my mind around, the last lines of the text are blank lines. This can also happen when a margin-bottom is used to give space between paragraphs which is why I prefer a padding-top. Sample from one recent book: Code: <p style="margin:0.00% 0.00%; text-align:center; widows:0; orphans:0"> <span style=" font-size:1.25rem"> </span> </p> <p style="margin:0.00% 0.00%; text-align:center; widows:0; orphans:0"> <span style=" font-size:1.25rem"> </span> </p> <p style="margin:0.00% 0.00%; text-align:center; widows:0; orphans:0"> <span style=" font-size:1.25rem"> </span> </p> <p style="margin:0.00% 0.00%; text-align:center; widows:0; orphans:0"> <span style=" font-size:1.25rem"> </span> </p> <p style="margin:0.00% 0.00%"> </p> </div> Last edited by DNSB; 08-19-2024 at 01:26 AM.

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08-19-2024, 06:00 PM	#4
DNSB Bibliophagist Posts: 40,345 Karma: 156982136 Join Date: Jul 2010 Location: Vancouver Device: Kobo Sage, Libra Colour, Lenovo M8 FHD, Paperwhite 4, Tolino epos	It may be ugly and I have trouble understanding why it is at end of a file or why the span is only wrapped around the middle space in the triad but I will admit that I did not find an application or device where it did not give a blank line (four web browsers, 5 epub rendering applications on Windows, iOS and Android and 3 brands of ereaders). What I did succeed in is finding that when the last text in the chapter fell close enough to the bottom of the screen, one or more blank lines pushed onto the next screen causing a blank page to be displayed.