I imagine you're referring to the "hg book"[1] ?
It irks me that that site hasn't been updated since ~2009, and there doesn't seem to be anything equivalent for "modern" Mercurial. Alas.
EDIT: oh, looks like there is a somewhat newer version (~2015?): https://book.mercurial-scm.org/read/part-getting-started.htm...
[1] http://hgbook.red-bean.com/
No, I mean when you go to the site and click the second item in the menu, Guide[1].
[1]: https://mercurial-scm.org/guide
No, I mean when you go to the site and click the second item in the menu, Guide[1].
[1]: https://mercurial-scm.org/guide