Subject: [PATCH] ; * lisp/eshell/em-unix.el (nil-blank-string): Doc fix

From: Hanno Perrey <[email-masked]>
Date: Sun, 12 Sep 2021 13:22:12 +0200

Hej,

the attached patch corrects the documentation for nil-blank-string in 
lisp/eshell/em-unix.el: the function returns nil if STRING contains only 
blank characters, not *non*-blank characters as it says in the current 
master.

Thanks and cheers,
Hanno
>From b07a7e07af788a50f270561bd9814654376249cd Mon Sep 17 00:00:00 2001
From: Hanno Perrey <[email-masked]>
Date: Sun, 12 Sep 2021 13:15:11 +0200
Subject: [PATCH] ; * lisp/eshell/em-unix.el (nil-blank-string): Doc fix

---
 lisp/eshell/em-unix.el | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lisp/eshell/em-unix.el b/lisp/eshell/em-unix.el
index 7e48a9c757..5b400c74fc 100644
--- a/lisp/eshell/em-unix.el
+++ b/lisp/eshell/em-unix.el
@@ -968,7 +968,7 @@ eshell-diff-quit
       (set-window-configuration eshell-diff-window-config)))
 
 (defun nil-blank-string (string)
-  "Return STRING, or nil if STRING contains only non-blank characters."
+  "Return STRING, or nil if STRING contains only blank characters."
   (cond
     ((string-match "[^[:blank:]]" string) string)
     (nil)))
-- 
2.33.0