ivan

#### I tested all additional changes (new commits) by setting up yarn and checking the sidebar (textually and if the links work) ✔️

Like mentioned in pr #5828, what about missing translations here? Translations present: - English (US) of course - German - Japanese - Portuguese (Brazilian) - Russian - Chinese (both simplified...

What I also noticed is that this file is generally structured differently than, for example, LearnSidebar.ejs or HTMLSidebar.ejs. - Is there a specific reason for this? - Is this still...

I've also added a link to "Tutorials:" in the sidebar to point to Learn/CSS- I thought it's a good idea, because the other "Headings" in the sidebar are also pointing...

Hi @caugner, i've done a merge. Also, i have here almost the same suggestions / questions as in the _already_ merged pr #6050. Should I rather make a separate pr...

@wbamberg @caugner hi, friendly reminder: this pr is still waiting for your review :) thanks and have a nice day

@wbamberg , @caugner & @ translators :) thank you for your efforts and discussion. i think the merge was a good idea (thx) since this PR has been pending for...

@myfonj Thanks for your insights. There seems to be a [bug in Chromium](https://issues.chromium.org/issues/338233131) that affects the `::marker` content. Check following screenshot:  Safari on macOS seems to generate the `::marker`...