Prefer comments /* like this */ in C code

Emacs C code assumes C99 features, but has long used traditional
comments /* like this */ instead of C99-style comments // like this.
Stick with traditional comments for now, partly for style, partly as
it may be safer with compilers that are not fully in C99 mode.

1 files changed, 4 insertions, 3 deletions

diff --git a/src/xselect.c b/src/xselect.c
index 123e46374a2..ff6dc3287cf 100644
--- a/src/xselect.c
+++ b/src/xselect.c
@@ -693,7 +693,7 @@ x_reply_selection_request (struct selection_input_event *event,
                              : format_bytes);
             XFlush (display);
             had_errors_p = x_had_errors_p (display);
-            // See comment above about property_change_reply.
+            /* See comment above about property_change_reply.  */
             set_property_change_object (cs->wait_object);
             unblock_input ();
 
@@ -1393,7 +1393,7 @@ receive_incremental_selection (struct x_display_info *dpyinfo,
   wait_object = expect_property_change (display, window, property,
                                         PropertyNewValue);
   XFlush (display);
-  // See comment in x_reply_selection_request about property_change_reply.
+  /* See comment in x_reply_selection_request about property_change_reply.  */
   set_property_change_object (wait_object);
   unblock_input ();
 
@@ -1433,7 +1433,8 @@ receive_incremental_selection (struct x_display_info *dpyinfo,
       XDeleteProperty (display, window, property);
       wait_object = expect_property_change (display, window, property,
                                             PropertyNewValue);
-      // See comment in x_reply_selection_request about property_change_reply.
+      /* See comment in x_reply_selection_request about
+         property_change_reply.  */
       set_property_change_object (wait_object);
       XFlush (display);
       unblock_input ();