Customize the tag tokens syntax in Liquid

In nunjucks templating engine, if you want different tokens than {{ and the rest for variables, blocks, and comments, you can specify different tokens as the tags option like so (as mentioned on https://mozilla.github.io/nunjucks/api.html#customizing-syntax.)

var env = nunjucks.configure('/path/to/templates', {
  tags: {
    blockStart: '<%',
    blockEnd: '%>',
    variableStart: '<$',
    variableEnd: '$>',
    commentStart: '<#',
    commentEnd: '#>'
  }
});

Using this environment, templates will look like this in nunjucks:

<ul>
<% for item in items %>
  <li><$ item $></li>
<% endfor %>
</ul>

Is it possible to do the same in Liquid templating engine which is used in Jekyll?

The issue names no files, tests, or entry points. Start by reviewing Liquid's existing syntax configuration and compare its support for custom variable, block, and comment delimiters with the Nunjucks example; done means establishing and documenting whether this is supported or defining the scope for adding it.