master 7471781dda 2/3: Rename nil-blank-string to eshell-nil-blank-string

[Stefan Kangas]

branch: master
commit 7471781dda49b927b4282fae24a4daab962c3266
Author: Stefan Kangas <stefan@marxist.se>
Commit: Stefan Kangas <stefan@marxist.se>

    Rename nil-blank-string to eshell-nil-blank-string
    
    * lisp/eshell/em-unix.el (eshell-nil-blank-string): Rename from
    'nil-blank-string'.  Retain old name as an obsolete function alias.
---
 lisp/eshell/em-unix.el | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/lisp/eshell/em-unix.el b/lisp/eshell/em-unix.el
index 3967817b0e..68276b22d9 100644
--- a/lisp/eshell/em-unix.el
+++ b/lisp/eshell/em-unix.el
@@ -968,7 +968,7 @@ Show wall-clock time elapsed during execution of COMMAND.")
   (if eshell-diff-window-config
       (set-window-configuration eshell-diff-window-config)))
 
-(defun nil-blank-string (string)
+(defun eshell-nil-blank-string (string)
   "Return STRING, or nil if STRING contains only blank characters."
   (cond
     ((string-match "[^[:blank:]]" string) string)
@@ -999,7 +999,7 @@ Show wall-clock time elapsed during execution of COMMAND.")
            (condition-case nil
                (diff-no-select
                 old new
-                (nil-blank-string (eshell-flatten-and-stringify args)))
+                 (eshell-nil-blank-string (eshell-flatten-and-stringify args)))
              (error
               (throw 'eshell-replace-command
                      (eshell-parse-command "*diff" orig-args))))
@@ -1049,6 +1049,8 @@ Show wall-clock time elapsed during execution of 
COMMAND.")
 
 (put 'eshell/occur 'eshell-no-numeric-conversions t)
 
+(define-obsolete-function-alias 'nil-blank-string #'eshell-nil-blank-string 
"29.1")
+
 (provide 'em-unix)
 
 ;; Local Variables: