updated for version 7.4.559

Problem:    Appending a block in the middle of a tab does not work correctly
            when virtualedit is set.
Solution:   Decrement spaces and count, don't reset them. (James McCoy)

src/ops.c

@@ -612,20 +612,20 @@ block_insert(oap, s, b_insert, bdp)
 #ifdef FEAT_MBYTE
 	if (has_mbyte && spaces > 0)
 	{
+	    int off;
+
 	    /* Avoid starting halfway a multi-byte character. */
 	    if (b_insert)
 	    {
-		int off = (*mb_head_off)(oldp, oldp + offset + spaces);
-		spaces -= off;
-		count -= off;
+		off = (*mb_head_off)(oldp, oldp + offset + spaces);
 	    }
 	    else
 	    {
-		int off = (*mb_off_next)(oldp, oldp + offset);
+		off = (*mb_off_next)(oldp, oldp + offset);
 		offset += off;
-		spaces = 0;
-		count = 0;
 	    }
+	    spaces -= off;
+	    count -= off;
 	}
 #endif
 

src/testdir/test39.in

@@ -38,11 +38,14 @@ G$khhhhhkkcmno
 /^C23$/
 :exe ":norm! l\<C-V>j$hhAab\<Esc>"
 :.,/^$/w >> test.out
-:" Test for Visual block insert when virtualedit=all
-:set ve=all
+:" Test for Visual block insert when virtualedit=all and utf-8 encoding
+:set ve=all enc=utf-8
 :/\t\tline
 :exe ":norm! 07l\<C-V>jjIx\<Esc>"
-:set ve=
+:.,/^$/w >> test.out
+:" Test for Visual block append when virtualedit=all
+:exe ":norm! 012l\<C-v>jjAx\<Esc>"
+:set ve= enc=latin1
 :.,/^$/w >> test.out
 :" gUe must uppercase a whole word, also when ß changes to SS
 Gothe youtußeuu endYpk0wgUe

src/version.c

@@ -741,6 +741,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    559,
 /**/
     558,
 /**/