[gnu] externals/shift-number d0d852ea30 40/47: Add missing doc-string

[ELPA Syncer]

branch: externals/shift-number
commit d0d852ea302db96942938960a1022f943d863130
Author: Campbell Barton <ideasma...@gmail.com>
Commit: Campbell Barton <ideasma...@gmail.com>

    Add missing doc-string
---
 shift-number.el | 1 +
 1 file changed, 1 insertion(+)

diff --git a/shift-number.el b/shift-number.el
index d720f65c01..b6723f8ad9 100644
--- a/shift-number.el
+++ b/shift-number.el
@@ -57,6 +57,7 @@ The `mark' is set the the beginning of the number."
 ;; Private Functions
 
 (defmacro shift-number--swap-vars (i j)
+  "Swap the value of I & J."
   `(setq ,i
          (prog1 ,j
            (setq ,j ,i))))