2 files changed, 14 insertions, 9 deletions

diff --git a/src/editfns.c b/src/editfns.c
index e16a554de20..4dbf4805721 100644
--- a/src/editfns.c
+++ b/src/editfns.c
@@ -3139,6 +3139,9 @@ static unsigned short rbc_quitcounter;
   /* Buffers to compare.  */                    \
   struct buffer *buffer_a;                      \
   struct buffer *buffer_b;                      \
+  /* BEGV of each buffer */                     \
+  ptrdiff_t beg_a;                              \
+  ptrdiff_t beg_b;                              \
   /* Whether each buffer is unibyte/plain-ASCII or not.  */ \
   bool a_unibyte;                               \
   bool b_unibyte;                               \
@@ -3222,6 +3225,8 @@ differences between the two buffers.  */)
   struct context ctx = {
     .buffer_a = a,
     .buffer_b = b,
+    .beg_a = min_a,
+    .beg_b = min_b,
     .a_unibyte = BUF_ZV (a) == BUF_ZV_BYTE (a),
     .b_unibyte = BUF_ZV (b) == BUF_ZV_BYTE (b),
     .deletions = SAFE_ALLOCA (del_bytes),
@@ -3361,8 +3366,8 @@ static bool
 buffer_chars_equal (struct context *ctx,
                     ptrdiff_t pos_a, ptrdiff_t pos_b)
 {
-  pos_a += BUF_BEGV (ctx->buffer_a);
-  pos_b += BUF_BEGV (ctx->buffer_b);
+  pos_a += ctx->beg_a;
+  pos_b += ctx->beg_b;
 
   /* Allow the user to escape out of a slow compareseq call.  */
   rarely_quit (++rbc_quitcounter);
diff --git a/src/w32fns.c b/src/w32fns.c
index 7f7e1a404ce..760801cd1db 100644
--- a/src/w32fns.c
+++ b/src/w32fns.c
@@ -4550,13 +4550,13 @@ w32_wnd_proc (HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
           set_ime_composition_window_fn (context, &form);
           release_ime_context_fn (hwnd, context);
         }
-      /* We should "goto dflt" here to pass WM_IME_STARTCOMPOSITION to
-         DefWindowProc, so that the composition window will actually
-         be displayed.  But doing so causes trouble with displaying
-         dialog boxes, such as the file selection dialog or font
-         selection dialog.  So something else is needed to fix the
-         former without breaking the latter.  See bug#11732.  */
-      break;
+      /* FIXME: somehow "goto dflt" here instead of "break" causes
+         popup dialogs, such as the ones shown by File->Open File and
+         w32-select-font, to become hidden behind their parent frame,
+         when focus-follows-mouse is in effect.  See bug#11732.  But
+         if we don't "goto dflt", users of IME cannot type text
+         supported by the input method...  */
+      goto dflt;
 
     case WM_IME_ENDCOMPOSITION:
       ignore_ime_char = 0;