Minor text-quoting-style fixes

* src/charset.c (check_iso_charset_parameter):
* src/frame.c (store_frame_param):
* src/xselect.c (x_fill_property_data):
Use grave accent for left single quote in ‘error’ format strings.

1 files changed, 2 insertions, 2 deletions

diff --git a/src/frame.c b/src/frame.c
index e17c8acfc3c..dd9ad777ddf 100644
--- a/src/frame.c
+++ b/src/frame.c
@@ -2412,7 +2412,7 @@ store_frame_param (struct frame *f, Lisp_Object prop, Lisp_Object val)
       if (WINDOWP (val))
         {
           if (!MINI_WINDOW_P (XWINDOW (val)))
-            error ("The 'minibuffer' parameter does not specify a valid minibuffer window");
+            error ("The `minibuffer' parameter does not specify a valid minibuffer window");
           else if (FRAME_MINIBUF_ONLY_P (f))
             {
               if (EQ (val, FRAME_MINIBUF_WINDOW (f)))
@@ -2442,7 +2442,7 @@ store_frame_param (struct frame *f, Lisp_Object prop, Lisp_Object val)
                    only nil was specified as new value.  */
                 val = old_val;
               else if (!EQ (old_val, val))
-                error ("Can't change the 'minibuffer' parameter of this frame");
+                error ("Can't change the `minibuffer' parameter of this frame");
             }
         }
     }