# HG changeset patch
# User Bram Moolenaar <Bram@vim.org>
# Date 1653390004 -7200
# Node ID 42e3dfd5b2d699470c9bf7f375d8728a835ad3e9
# Parent  b49306ac0c962417617391c7df634aba68f6e8d9
patch 8.2.5012: cannot select one character inside ()

Commit: https://github.com/vim/vim/commit/53737b5eeeab1f95964f78b055d6094fab559533
Author: LemonBoy <thatlemon@gmail.com>
Date:   Tue May 24 11:49:31 2022 +0100

    patch 8.2.5012: cannot select one character inside ()

    Problem:    Cannot select one character inside ().
    Solution:   Do not try to extend the area if it is empty. (closes https://github.com/vim/vim/issues/10472,
                closes #6616)

diff --git a/src/testdir/test_textobjects.vim b/src/testdir/test_textobjects.vim
--- a/src/testdir/test_textobjects.vim
+++ b/src/testdir/test_textobjects.vim
@@ -41,6 +41,24 @@ func Test_inner_block_with_cpo_M_right_b
   call CpoM('(red (blue\) green)', 1, ['red (blue\) green', 'blue\', 'red (blue\) green'])
 endfunc
 
+func Test_inner_block_single_char()
+  new
+  call setline(1, "(a)")
+
+  set selection=inclusive
+  let @" = ''
+  call assert_nobeep('norm! 0faviby')
+  call assert_equal('a', @")
+
+  set selection=exclusive
+  let @" = ''
+  call assert_nobeep('norm! 0faviby')
+  call assert_equal('a', @")
+
+  set selection&
+  bwipe!
+endfunc
+
 func Test_quote_selection_selection_exclusive()
   new
   call setline(1, "a 'bcde' f")
@@ -49,11 +67,11 @@ func Test_quote_selection_selection_excl
   exe "norm! fdvhi'y"
   call assert_equal('bcde', @")
 
-  let @"='dummy'
+  let @" = 'dummy'
   exe "norm! $gevi'y"
   call assert_equal('bcde', @")
 
-  let @"='dummy'
+  let @" = 'dummy'
   exe "norm! 0fbhvi'y"
   call assert_equal('bcde', @")
 
diff --git a/src/textobject.c b/src/textobject.c
--- a/src/textobject.c
+++ b/src/textobject.c
@@ -1133,8 +1133,10 @@ current_block(
 	/*
 	 * In Visual mode, when the resulting area is not bigger than what we
 	 * started with, extend it to the next block, and then exclude again.
+	 * Don't try to expand the area if the area is empty.
 	 */
 	if (!LT_POS(start_pos, old_start) && !LT_POS(old_end, curwin->w_cursor)
+		&& !EQUAL_POS(start_pos, curwin->w_cursor)
 		&& VIsual_active)
 	{
 	    curwin->w_cursor = old_start;
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -735,6 +735,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    5012,
+/**/
     5011,
 /**/
     5010,