How to suppress blank line in Jekyll?

Question

I use GitHub Pages for my blog, and am running into a problem with Jekyll. My post.html has a block like this:

{%    for testpost in site.posts   %}
{%                  


        

Answer 1

Since Liquid v4 (included in Jekyll from v3.5) there is a Whitespace control, which finally resolved case with blank line, white space, etc.

Link to documentation: https://shopify.github.io/liquid/basics/whitespace/