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
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