* help-mode.el (help-make-xrefs): For Info node links turn

newlines into spaces.  Link node names with newlines are matched
by help-xref-info-regexp and buttonized, this change ensures they
can be followed successfully with RET.  (Bug#6206)

1 files changed, 3 insertions, 1 deletions

diff --git a/lisp/help-mode.el b/lisp/help-mode.el
index bad4ae94e2a..f115e425325 100644
--- a/lisp/help-mode.el
+++ b/lisp/help-mode.el
@@ -433,7 +433,9 @@ that."
                     (let ((data (match-string 2)))
                       (save-match-data
                         (unless (string-match "^([^)]+)" data)
-                          (setq data (concat "(emacs)" data))))
+                          (setq data (concat "(emacs)" data)))
+                        (setq data ;; possible newlines if para filled
+                              (replace-regexp-in-string "[ \t\n]+" " " data t t)))
                       (help-xref-button 2 'help-info data))))
                 ;; URLs
                 (save-excursion