[elpa] externals/xref-union 00bb9f7391 1/7: Fix usage of the 'head' specialiser

[ELPA Syncer]

branch: externals/xref-union
commit 00bb9f73915b3e5c6ed16083d2cdff469d30056b
Author: Philip Kaludercic <phil...@posteo.net>
Commit: Philip Kaludercic <phil...@posteo.net>

    Fix usage of the 'head' specialiser
---
 xref-union.el | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/xref-union.el b/xref-union.el
index a73458e791..986274a5de 100644
--- a/xref-union.el
+++ b/xref-union.el
@@ -59,21 +59,21 @@ Same in this context means they reference the same object."
   (= (xref-location-marker (xref-item-location l1))
      (xref-location-marker (xref-item-location l2))))
 
-(cl-defmethod xref-backend-identifier-at-point ((backends (head 'union)))
+(cl-defmethod xref-backend-identifier-at-point ((backends (head union)))
   "Collect the results of multiple Xref BACKENDS."
   (seq-uniq
    (cl-loop for backend in (cdr backends)
            append (xref-backend-identifier-at-point backend))
    #'xref-union-same-p))
 
-(cl-defmethod xref-backend-identifier-completion-table ((backends (head 
'union)))
+(cl-defmethod xref-backend-identifier-completion-table ((backends (head 
union)))
   "Collect the results of multiple Xref BACKENDS."
   (lambda (string pred _action)
     (cl-loop for backend in (cdr backends)
             append (let ((b (xref-backend-identifier-at-point backend)))
                       (all-completions string b pred)))))
 
-(cl-defmethod xref-backend-definitions ((backends (head 'union)) ident)
+(cl-defmethod xref-backend-definitions ((backends (head union)) ident)
   "Collect the results of multiple Xref BACKENDS.
 IDENT is specified in `xref-backend-definitions'."
   (seq-uniq
@@ -81,7 +81,7 @@ IDENT is specified in `xref-backend-definitions'."
            append (xref-backend-definitions backend ident))
    #'xref-union-same-p))
 
-(cl-defmethod xref-backend-references ((backends (head 'union)) ident)
+(cl-defmethod xref-backend-references ((backends (head union)) ident)
   "Collect the results of multiple Xref BACKENDS.
 IDENT is specified in `xref-backend-references'."
   (seq-uniq
@@ -89,7 +89,7 @@ IDENT is specified in `xref-backend-references'."
            append (xref-backend-references backend ident))
    #'xref-union-same-p))
 
-(cl-defmethod xref-backend-apropos ((backends (head 'union)) pattern)
+(cl-defmethod xref-backend-apropos ((backends (head union)) pattern)
   "Collect the results of multiple Xref BACKENDS.
 PATTERN is specified in `xref-backend-apropos'."
   (seq-uniq