[nongnu] elpa/helm 8c30b8959c 3/5: Add docstring for helm-grep-next-error

[ELPA Syncer]

branch: elpa/helm
commit 8c30b8959c5e4238cc723b0c9be8d8fd27d36ef5
Author: Thierry Volpiatto <thievol@posteo.net>
Commit: Thierry Volpiatto <thievol@posteo.net>

    Add docstring for helm-grep-next-error
---
 helm-grep.el | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/helm-grep.el b/helm-grep.el
index 0c91babd52..39661e45d7 100644
--- a/helm-grep.el
+++ b/helm-grep.el
@@ -875,6 +875,9 @@ If N is positive go forward otherwise go backward."
 (put 'helm-grep-mode-mouse-jump 'helm-only t)
 
 (defun helm-grep-next-error (&optional argp reset)
+  "Goto ARGP position from a `helm-grep-mode' buffer.
+RESET non-nil means rewind to the first match.
+This is the `next-error-function' for `helm-grep-mode'."
   (interactive "p")
   (goto-char (cond (reset (point-min))
                   ((< argp 0) (line-beginning-position))