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.

3 files changed, 5 insertions, 5 deletions

diff --git a/src/charset.c b/src/charset.c
index 05469aa2650..0c831f13591 100644
--- a/src/charset.c
+++ b/src/charset.c
@@ -1401,7 +1401,7 @@ check_iso_charset_parameter (Lisp_Object dimension, Lisp_Object chars,
 
   int final_ch = XFASTINT (final_char);
   if (! ('0' <= final_ch && final_ch <= '~'))
-    error ("Invalid FINAL-CHAR '%c', it should be '0'..'~'", final_ch);
+    error ("Invalid FINAL-CHAR `%c', it should be `0'..`~'", final_ch);
 
   return chars_flag;
 }
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");
             }
         }
     }
diff --git a/src/xselect.c b/src/xselect.c
index 8de436f119d..616d12c7cab 100644
--- a/src/xselect.c
+++ b/src/xselect.c
@@ -2296,13 +2296,13 @@ x_fill_property_data (Display *dpy, Lisp_Object data, void *ret, int format)
       if (format == 8)
         {
           if ((1 << 8) < val && val <= X_ULONG_MAX - (1 << 7))
-            error ("Out of 'char' range");
+            error ("Out of `char' range");
           *d08++ = val;
         }
       else if (format == 16)
         {
           if ((1 << 16) < val && val <= X_ULONG_MAX - (1 << 15))
-            error ("Out of 'short' range");
+            error ("Out of `short' range");
           *d16++ = val;
         }
       else