1 files changed, 1 insertions, 0 deletions

diff --git a/lisp/help-fns.el b/lisp/help-fns.el
index 32719275edd..d30fc02c409 100644
--- a/lisp/help-fns.el
+++ b/lisp/help-fns.el
@@ -252,6 +252,7 @@ face (according to `face-differs-from-default-p')."
                          "\\)"
                          "\\(?:es\\|s\\|th\\)?"  ; for ARGth, ARGs
                          "\\(?:-[a-z0-9-]+\\)?"  ; for ARG-xxx, ARG-n
+                         "\\(?:-[{([<`\"].*?\\)?"; for ARG-{x}, (x), <x>, [x], `x'
                          "\\>")                  ; end of word
                  (help-default-arg-highlight arg)
                  doc t t 1)))))