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-rw-r--r--lisp/progmodes/project.el1
1 files changed, 1 insertions, 0 deletions
diff --git a/lisp/progmodes/project.el b/lisp/progmodes/project.el
index 559da6dd649..605636d93e3 100644
--- a/lisp/progmodes/project.el
+++ b/lisp/progmodes/project.el
@@ -1045,6 +1045,7 @@ by the user at will."
(mapcan
(lambda (s)
(and (string-prefix-p abbr-cpd s)
+ (not (eq (length abbr-cpd) (length s)))
(list (substring s (length abbr-cpd)))))
(symbol-value hist))))
(project--completing-read-strict prompt