I've noticed an issue with ckeditor relating to line spacing using the line break tag <br /> . I'm using the latest version of ckeditor (version 4.3.1).
When I want to do single spacing, I use SHIFT+ENTER and all looks fine within the editor screen both in the WYSIWYG view mode as well as the SOURCE view mode. See SOURCE code example below.
<p>Lorem ipsum dolor sit amet, consectetuer adipiscing elit fusce euismod commodo ante suspendisse potenti nunc pellentesque quam vel pede ut a lorem non urna molestie euismod fusce consequat tortor eu urna pellentesque aliquam pede eget tincidunt feugiat nunc massa hendrerit magna non ultricies neque lectus nec dui in hac habitasse platea dictumst.</p>
<p>This is a single line followed by a break using shift + enter<br />
This is a single line followed by a break using shift + enter<br />
This is a single line followed by a break using shift + enter</p>
But when I view the outputted results on my web page, the single spacing becomes double spacing. Apparently an extra line break tag <br /> is added after each original line break tag <br />. The source code below is from the actual outputted page.
<p>Lorem ipsum dolor sit amet, consectetuer adipiscing elit fusce euismod commodo ante suspendisse potenti nunc pellentesque quam vel pede ut a lorem non urna molestie euismod fusce consequat tortor eu urna pellentesque aliquam pede eget tincidunt feugiat nunc massa hendrerit magna non ultricies neque lectus nec dui in hac habitasse platea dictumst.</p>
<p>This is a single line followed by a break using shift + enter<br />
<br />
This is a single line followed by a break using shift + enter<br />
<br />
This is a single line followed by a break using shift + enter</p>
Is there a tweak within ckeditor to prevent the extra line break tag from being added in the outputted results?

That's odd... Not doing this
That's odd... Not doing this on the demo page, so maybe this is done on the server side. Or it could be something else. You say you're using the "latest version of ckeditor (version 4.3.1)." The latest is 4.3.3. You wouldn't happen to be using it in a CMS or something?
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Hi sebstefanov. Thanks for
Hi sebstefanov. Thanks for responding.
I think I've narrowed down the issue of extra line break tags <br /> being outputted to html when using ckeditor.
By the way, I'm using Perch CMS (grabaperch.com). I got the editor from there plugin add on directory.
The problem only happens when using ckeditor in the optional Perch Events app. When I use the editor in the optional Perch Blog app or in a text block on a regular page there are no extra line break tags <br /> added.
Perch support originally referred me to this forum for help.
Now that I have more concrete info on the issue, I suspect that some snippet or snippets of code in the Events app files are adding the extra line break tag. If that were not the case, then the extra line break tag would also be outputted on the Blog posts and regular pages.
I'm going to raise the issue with them again.