(Fsplit_window): Nicer error if split size is too small.

1 files changed, 10 insertions, 6 deletions

diff --git a/src/window.c b/src/window.c
index 09781e2497e..56fa5882528 100644
--- a/src/window.c
+++ b/src/window.c
@@ -2231,9 +2231,11 @@ and put SIZE columns in the first of the pair.")
 
   if (NILP (horflag))
     {
-      if (size < window_min_height
-          || size + window_min_height > XFASTINT (o->height))
-        args_out_of_range_3 (window, chsize, horflag);
+      if (size < window_min_height)
+        error ("Window height %d too small (after splitting)", size);
+      if (size + window_min_height > XFASTINT (o->height))
+        error ("Window height %d too small (after splitting)", 
+               XFASTINT (o->height) - size);
       if (NILP (o->parent)
           || NILP (XWINDOW (o->parent)->vchild))
         {
@@ -2244,9 +2246,11 @@ and put SIZE columns in the first of the pair.")
     }
   else
     {
-      if (size < window_min_width
-          || size + window_min_width > XFASTINT (o->width))
-        args_out_of_range_3 (window, chsize, horflag);
+      if (size < window_min_width)
+        error ("Window width %d too small (after splitting)", size);
+      if (size + window_min_width > XFASTINT (o->width))
+        error ("Window width %d too small (after splitting)", 
+               XFASTINT (o->width) - size);
       if (NILP (o->parent)
           || NILP (XWINDOW (o->parent)->hchild))
         {