Christophe Dervieux

Other resource for reference to understand the 3 ways: https://overthinkgroup.com/301-redirect-noindex-rel-canonical/

Related feature request in **pkgdown** : https://github.com/r-lib/pkgdown/pull/1259 This will be added there before by @maelle https://github.com/r-lib/pkgdown/pull/1639 We'll need to have a look there since sharing a common syntax in YAML...

Hi @andybeet It was not yet implemented in **bookdown**. Only example I know is the one shared here: https://github.com/rstudio/bookdown/issues/1071#issuecomment-773903750 showing the idea of it.

> Is there a plan/timeline for adding this or has it been shelved? Currently there is no timeline on this. Our focus is not on new **bookdown** features for now....

Thanks for the report - we are missing some details and information, so I will answer by _guessing_ some of it. Please to share real information I am mistaken >...

So I can reproduce, and this is indeed related to `book_filename` which will be used for the intermediate merged Rmd file and then for the name of the HTML file...

> I've checked [here](https://docs.mathjax.org/en/latest/input/tex/macros/index.html), there is \symrm in the list. So I can't figure out why. I believe **bookdown** is using mathjax 2.7 by default. and the command is not...

Unfortunately not in bookdown right now. See * #915 that I linked above

ok so it is hide in `devtools` for win-builder. It seems I got it right but spend some time on it whereas it already exists. thanks for the link. Why...

Yes I will do that. But it is not so easy to come with this code when you're not a curl expert. Seems simple now that I understand more about...