* lisp/progmodes/project.el: Filter out empty strings from history (bug#58447)

(project--read-file-cpd-relative): Do not include empty strings (when
prefix has the same length as the string).

diff --git a/lisp/progmodes/project.el b/lisp/progmodes/project.el
index 559da6dd64902fe13e0fd5bb6042dea5dbd21524..605636d93e36439551d5763d902f6da74812c23f 100644 (file)
--- 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