editorconfig.el: Fix too naive sync from upstream

* lisp/editorconfig.el (editorconfig--get-indentation-nxml-mode):
New function.
(editorconfig-indentation-alist): Use it to fix bug#73359.

1 files changed, 9 insertions, 2 deletions

diff --git a/lisp/editorconfig.el b/lisp/editorconfig.el
index 931781007d9..870f6d32162 100644
--- a/lisp/editorconfig.el
+++ b/lisp/editorconfig.el
@@ -211,7 +211,7 @@ This hook will be run even when there are no matching sections in
     (mustache-mode mustache-basic-offset)
     (nasm-mode nasm-basic-offset)
     (nginx-mode nginx-indent-level)
-    (nxml-mode nxml-child-indent (nxml-attribute-indent . 2))
+    (nxml-mode . editorconfig--get-indentation-nxml-mode)
     (objc-mode c-basic-offset)
     (octave-mode octave-block-offset)
     (perl-mode perl-indent-level)
@@ -266,7 +266,9 @@ This is a fallback used for those modes which don't set
 `editorconfig-indent-size-vars'.
 
 Each element should look like (MODE . SETTING) where SETTING
-should obey the same rules as `editorconfig-indent-size-vars'."
+should obey the same rules as `editorconfig-indent-size-vars',
+i.e. either a list of variable names or a function returning a list of (VAR . VAL)
+settings."
   :type '(alist :key-type symbol
                 :value-type (choice function
                                     (repeat
@@ -341,6 +343,11 @@ Make a message by passing ARGS to `format-message'."
     (LaTeX-indent-level . ,size)
     (LaTeX-item-indent . ,(- size))))
 
+(defun editorconfig--get-indentation-nxml-mode (size)
+  "Vars to set `nxml-mode' indent size to SIZE."
+  `((nxml-child-indent . ,size)
+    (nxml-attribute-indent . ,(* 2 size))))
+
 (defun editorconfig--get-indentation-lisp-mode (size)
   "Set indent size to SIZE for Lisp mode(s)."
   (when (cond ((null editorconfig-lisp-use-default-indent)  t)