Commit 07ccf0bc authored by Richard M. Stallman's avatar Richard M. Stallman
Browse files

(comint-read-input-ring, comint-write-input-ring):

Treat "" like nil in comint-input-ring-file-name.
parent ba5c3004
......@@ -611,7 +611,8 @@ Useful within mode or mode hooks.
The structure of the history file should be one input command per line, and
most recent command last.
See also `comint-input-ignoredups' and `comint-write-input-ring'."
(cond ((null comint-input-ring-file-name)
(cond ((or (null comint-input-ring-file-name)
(equal comint-input-ring-file-name ""))
nil)
((not (file-readable-p comint-input-ring-file-name))
(message "Cannot read history file %s" comint-input-ring-file-name))
......@@ -650,6 +651,7 @@ Useful within process sentinels.
See also `comint-read-input-ring'."
(cond ((or (null comint-input-ring-file-name)
(equal comint-input-ring-file-name "")
(null comint-input-ring) (ring-empty-p comint-input-ring))
nil)
((not (file-writable-p comint-input-ring-file-name))
......
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