should yas-escape-text escape backquote "`"?

[karta0807913]

hello everyone, I notice that yas-escape-text function doesn't escape the backquote "`". Should we escape it?

yasnippet/yasnippet.el

Lines 2091 to 2094 in eb5ba26

	(defun yas-escape-text (text)
	"Escape TEXT for snippet."
	(when text
	(replace-regexp-in-string "[\\$]" "\\\\\\&" text)))

example code:

(yas-escape-text "`\\$") ;; output "`\\\\\\$"

I think we can change this function as follows to fix this problem.

 (defun yas-escape-text (text) 
   "Escape TEXT for snippet." 
   (when text 
     (replace-regexp-in-string "[`\\$]" "\\\\\\&" text))) 

system information

yasnippet version

20240406.1314

emacs version

GNU Emacs 29.2.50
Development version e95a8622263d on emacs-29 branch; build date 2024-03-24.
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