branch: elpa/helm
commit 7e554e338438cb7ed01dca933c179b544b15ed3b
Author: Thierry Volpiatto <thie...@posteo.net>
Commit: Thierry Volpiatto <thie...@posteo.net>

    Prevent displaying an empty space as popup-info
    
    when the function return nil.
---
 helm-utils.el | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/helm-utils.el b/helm-utils.el
index 22bef0bbb7..b116e1c3da 100644
--- a/helm-utils.el
+++ b/helm-utils.el
@@ -1047,9 +1047,10 @@ Assume regexp is a pcre based regexp."
                    ;; Use helm-grep-fname prop instead of help-echo as 
help-echo
                    ;; maybe used by mouse overlay after resume.
                    (let ((pos (save-excursion (end-of-visual-line) (point))))
-                     (when popup-info-fn
+                     (helm-aif (and popup-info-fn
+                                    (funcall popup-info-fn 
(helm-get-selection)))
                        (helm-tooltip-show
-                        (concat " " (funcall popup-info-fn 
(helm-get-selection)))
+                        (concat " " it)
                         pos)))))))))))
 
 ;;;###autoload

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