[elpa] externals/company 78ed92db96 14/30: Fix "Attempt to modify read-only object"

[ELPA Syncer]

branch: externals/company
commit 78ed92db9694d25dd7faf0dfe2c3b3b3eb8805a4
Author: Dmitry Gutov <dmitry@gutov.dev>
Commit: Dmitry Gutov <dmitry@gutov.dev>

    Fix "Attempt to modify read-only object"
---
 company.el | 1 +
 1 file changed, 1 insertion(+)

diff --git a/company.el b/company.el
index f84b085e17..c5bdb4e98a 100644
--- a/company.el
+++ b/company.el
@@ -1212,6 +1212,7 @@ MAX-LEN is how far back to try to match the 
IDLE-BEGIN-AFTER-RE regexp."
                 (let ((res (apply #'completion-emacs22-all-completions args)))
                   (when res (setq keep-prefix nil))
                   res)))
+             (completion-styles-alist (copy-tree completion-styles-alist))
              ((nth 2 (assoc 'emacs22 completion-styles-alist))
               wrapper)
              (all (completion-all-completions (concat prefix suffix)