[Nick_1964]

Originally Posted by GeoffR

KEPUB automatic hyphenation is broken in English too, it is not just a problem with Dutch.

From what I read in the KoboTouchExtended driver thread the driver has an option to turn on hyphenation when it creates the kepub, so you will need to make sure that option is turned off.

But the publisher might also have turned hyphenation on, so to turn it off you could add something like body,div,p { -webkit-hyphens: none !important; } to the book's stylesheet (which you could do automatically for all books by adding it to kobo_extra.css and enabling the "Modify CSS" option in the driver.)

I am a bit stupid,when you press behave of the plugin,you have to scroll down to see that there are more options.
One of them is turn hyphenation on, but it is not checked (so it must be off) but after using it, I opened the book that was transferred with the KoboTouchExtended and it has an hyphenation.css added to it.

* {
	-webkit-hyphens: auto;
	-moz-hyphens: auto;
	hyphens: auto;

	-webkit-hyphenate-after: 3;
	-webkit-hyphenate-before: 3;
	-webkit-hyphenate-lines: 2;
	hyphenate-after: 3;
	hyphenate-before: 3;
	hyphenate-lines: 2;
}

h1, h2, h3, h4, h5, h6, td {
	-moz-hyphens: none !important;
	-webkit-hyphens: none !important;
	hyphens: none !important;
}

So it looks to me that the plugin does turns hyphenation on,even when that option is unchecked.
So it seems that I have to go back to epub.