Resurrect a comment lost in the previous commit.

diff --git a/src/frame.c b/src/frame.c
index 8d9ef248d017bf5234b8bcdc9c3e4b71d9c231a3..4883f31d427c5ac8ef9e017152cfa363bf5529fd 100644 (file)
--- a/src/frame.c
+++ b/src/frame.c
@@ -2079,6 +2079,7 @@ If FRAME is nil, describe the currently selected frame.  */)
   
   if (FRAME_LIVE_P (f))
     {
+      /* Avoid consing in frequent cases.  */
       if (EQ (parameter, Qname))
        value = f->name;
 #ifdef HAVE_X_WINDOWS