Re: github flavor

Hello Stephen,

The function `poly-gfm+r-mode` is defined in the `poly-R` library. 
It needs to be loaded before you can call it. The following 
addition to your code should do it:

```
(require 'poly-R)

(add-to-list 'auto-mode-alist
             '("\\.[rR]md\\'" . poly-gfm+r-mode))
```

As long as the `(require 'poly-R)` line comes before you actually 
try to open an Rmarkdown file, the specific location doesn't 
really matter.

I'll update the tutorial. Whether or not (and when) the `require` 
command is needed does depend on how you have installed 
`polymode`. I think when I originally wrote this I had set up the 
package system to load it automatically, which is why I don't 
provide instructions to do it explicitly in the tutorial.

Best,

Tyler

On Sat, Feb 12 2022, Stephen Bond via ESS-help wrote:

> Hello,
>
> I am trying to activate the github flavor by:
>
> (add-to-list 'auto-mode-alist
>              '("\\.[rR]md\\'" . poly-gfm+r-mode))
>
> as described in 
> https://plantarum.ca/2021/10/03/emacs-tutorial-rmarkdown/
>
> and get an error:
> File mode specification error: (void-function poly-gfm+r-mode)
>
> I have the following in my .emacs
>
> (defun rmd-mode ()
>   "ESS Markdown mode for rmd files"
>   (interactive)
>   ;; (setq load-path
>   ;;   (append (list "path/to/polymode/" 
>   "path/to/polymode/modes/")
>   ;;       load-path))
>   (require 'poly-R)
>   (require 'poly-markdown)     
>   (poly-markdown+r-mode))
> (add-to-list 'auto-mode-alist '("\\.md" . poly-markdown-mode))
> (add-to-list 'auto-mode-alist '("\\.Snw" . poly-noweb+r-mode))
> (add-to-list 'auto-mode-alist '("\\.Rnw" . poly-noweb+r-mode))
> ;; I commented out to emable gfm, markdown+r works
> ;;(add-to-list 'auto-mode-alist '("\\.Rmd" . 
> poly-markdown+r-mode))
> ;; associate the new polymode to Rmd files:
> (add-to-list 'auto-mode-alist
>              '("\\.[rR]md\\'" . poly-gfm+r-mode))
>
> (custom-set-variables
> '(markdown-command
>    (concat "pandoc" " --from=markdown --to=html" " --standalone 
>    --
> mathjax --highlight-style=pygments"))
>  '(org-agenda-files '("~/1.org"))
>  '(package-selected-packages '(markdown-mode poly-R 
>  poly-markdown poly-
> org polymode ess))
>  '(poly-pandoc-exporter
>    #s(pm-shell-exporter unbound "pandoc" nil nil nil 
>    pm-default-shell-
> export-function pm-default-shell-export-sentinel nil)))
>
> I am afraid there is a conflict somewhere.
> Please, advise how to cleanup my setup.
> Thanks
> Stephen
>
> ______________________________________________
> [email protected] mailing list
> https://stat.ethz.ch/mailman/listinfo/ess-help


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