Patch 8.2.5012
Problem:    Cannot select one character inside ().
Solution:   Do not try to extend the area if it is empty. (closes #10472,
            closes #6616)
Files:      src/textobject.c, src/testdir/test_textobjects.vim


*** ../vim-8.2.5011/src/textobject.c    2022-05-09 13:15:03.710800121 +0100
--- src/textobject.c    2022-05-24 11:44:51.766416752 +0100
***************
*** 1133,1140 ****
--- 1133,1142 ----
        /*
         * 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;
*** ../vim-8.2.5011/src/testdir/test_textobjects.vim    2022-05-09 
13:15:03.710800121 +0100
--- src/testdir/test_textobjects.vim    2022-05-24 11:48:24.878229623 +0100
***************
*** 41,46 ****
--- 41,64 ----
    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")
***************
*** 49,59 ****
    exe "norm! fdvhi'y"
    call assert_equal('bcde', @")
  
!   let @"='dummy'
    exe "norm! $gevi'y"
    call assert_equal('bcde', @")
  
!   let @"='dummy'
    exe "norm! 0fbhvi'y"
    call assert_equal('bcde', @")
  
--- 67,77 ----
    exe "norm! fdvhi'y"
    call assert_equal('bcde', @")
  
!   let @" = 'dummy'
    exe "norm! $gevi'y"
    call assert_equal('bcde', @")
  
!   let @" = 'dummy'
    exe "norm! 0fbhvi'y"
    call assert_equal('bcde', @")
  
*** ../vim-8.2.5011/src/version.c       2022-05-24 11:40:07.518685751 +0100
--- src/version.c       2022-05-24 11:46:58.670304197 +0100
***************
*** 736,737 ****
--- 736,739 ----
  {   /* Add new patch number below this line */
+ /**/
+     5012,
  /**/

-- 
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Madagaskar"

 /// Bram Moolenaar -- [email protected] -- http://www.Moolenaar.net   \\\
///                                                                      \\\
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