[patch] fix behavior of dot-repeat after visual block-wise ctrl-A/ctrl-X

[Ozaki Kiichi]

Hi.

After visual block-wise Ctrl-A (Ctrl-X), dot-repeat doesn't work properly.

[repro steps]

vim -u NONE -N

-------------
  1 23
  4 56
-------------

type: ggf2<C-V>gl<C-A>

-------------
  1 24
  4 57
-------------

and type: .
(dot-repeat)

expected:

-------------
  1 25
  4 58
-------------

actual:

-------------
  2 24
  5 57
-------------

It appears that content of redobuff is incorrect.

expected: <C-V>1j1<space>1<C-A>
actual: <C-V>1j0<space>1<C-A>

Thank you.
- Ozaki Kiichi

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diff --git a/src/normal.c b/src/normal.c
--- a/src/normal.c
+++ b/src/normal.c
@@ -3632,7 +3632,7 @@ prep_redo_visual(cap)
 	else if (curbuf->b_visual.vi_end.col > curbuf->b_visual.vi_start.col)
 	{
 	    AppendNumberToRedobuff(curbuf->b_visual.vi_end.col
-					 - curbuf->b_visual.vi_start.col - 1);
+					 - curbuf->b_visual.vi_start.col);
 	    AppendCharToRedobuff(' ');
 	}
     }
diff --git a/src/testdir/test_increment.in b/src/testdir/test_increment.in
--- a/src/testdir/test_increment.in
+++ b/src/testdir/test_increment.in
@@ -286,6 +286,16 @@ 0x123456
   1) Ctrl-V f3 <ctrl-a>
 0x124456
 
+22) block-wise increment and dot-repeat
+Text:
+  1 23
+  4 56
+
+  Expected:
+  1) f2 Ctrl-V jl <ctrl-a>, repeat twice afterwards with .
+    1 26
+    4 59
+
 
 
 STARTTEST
@@ -415,6 +425,11 @@ V3kg
..
 :set nrformats&vim
 f3

 
+:" Test 22
+:/^S22=/+,/^E22=/-y a
+:/^E22=/+put a
+kf2jl
..
+
 :" Save the report
 :/^# Test 1/,$w! test.out
 :qa!
@@ -615,6 +630,14 @@ E21====
 
 
 
+# Test 22
+S22====
+  1 23
+  4 56
+E22====
+
+
+
 
 ENDTEST
 
diff --git a/src/testdir/test_increment.ok b/src/testdir/test_increment.ok
--- a/src/testdir/test_increment.ok
+++ b/src/testdir/test_increment.ok
@@ -288,6 +288,16 @@ E21====
 0x124456
 
 
+# Test 22
+S22====
+  1 23
+  4 56
+E22====
+
+  1 26
+  4 59
+
+
 
 ENDTEST