Syntax to trim trailing whitespace?

[hdm]

It would be nice if there was a syntax that trimmed the whitespace from template when using an evaluated value (and did so automatically for <% %>). This is implemented in ERB (ruby) as the "<%- %>" syntax (https://stackoverflow.com/questions/4632879/erb-template-removing-the-trailing-line).

For example, it would be great if the following template returned <pre>Hello</pre>

<pre>
<%- "Hello" %>
</pre>

[github-actions]

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