Patch 8.2.0421
Problem:    Interrupting with CTRL-C does not always work.
Solution:   Recognize CTRL-C while modifyOtherKeys is set.
Files:      src/ui.c, src/testdir/test_vim9_script.vim, src/evalfunc.c


*** ../vim-8.2.0420/src/ui.c    2020-01-26 21:59:25.632718110 +0100
--- src/ui.c    2020-03-20 20:35:11.445994721 +0100
***************
*** 2280,2286 ****
      for (try = 0; try < 100; ++try)
      {
        size_t readlen = (size_t)((INBUFLEN - inbufcount)
!                           / input_conv.vc_factor);
  #  ifdef VMS
        len = vms_read((char *)inbuf + inbufcount, readlen);
  #  else
--- 2280,2286 ----
      for (try = 0; try < 100; ++try)
      {
        size_t readlen = (size_t)((INBUFLEN - inbufcount)
!                                                      / input_conv.vc_factor);
  #  ifdef VMS
        len = vms_read((char *)inbuf + inbufcount, readlen);
  #  else
***************
*** 2344,2352 ****
        while (len-- > 0)
        {
            /*
!            * if a CTRL-C was typed, remove it from the buffer and set got_int
             */
!           if (inbuf[inbufcount] == 3 && ctrl_c_interrupts)
            {
                // remove everything typed before the CTRL-C
                mch_memmove(inbuf, inbuf + inbufcount, (size_t)(len + 1));
--- 2344,2355 ----
        while (len-- > 0)
        {
            /*
!            * If a CTRL-C was typed, remove it from the buffer and set
!            * got_int.  Also recognize CTRL-C with modifyOtherKeys set.
             */
!           if (ctrl_c_interrupts && (inbuf[inbufcount] == 3
!                       || (len >= 9 && STRNCMP(inbuf + inbufcount,
!                                                    "\e[27;5;99~", 10) == 0)))
            {
                // remove everything typed before the CTRL-C
                mch_memmove(inbuf, inbuf + inbufcount, (size_t)(len + 1));
*** ../vim-8.2.0420/src/testdir/test_vim9_script.vim    2020-03-20 
19:37:26.550539660 +0100
--- src/testdir/test_vim9_script.vim    2020-03-20 20:38:39.821749706 +0100
***************
*** 942,956 ****
    assert_equal('1_3_', result)
  enddef
  
! " def Test_interrupt_loop()
! "   let x = 0
! "   while 1
! "     x += 1
! "     if x == 100
! "       feedkeys("\<C-C>", 'L')
! "     endif
! "   endwhile
! " enddef
  
  def Test_substitute_cmd()
    new
--- 942,956 ----
    assert_equal('1_3_', result)
  enddef
  
! def Test_interrupt_loop()
!   let x = 0
!   while 1
!     x += 1
!     if x == 100
!       feedkeys("\<C-C>", 'Lt')
!     endif
!   endwhile
! enddef
  
  def Test_substitute_cmd()
    new
*** ../vim-8.2.0420/src/evalfunc.c      2020-03-16 21:08:28.581879755 +0100
--- src/evalfunc.c      2020-03-20 20:38:30.277762553 +0100
***************
*** 2472,2478 ****
            if (lowlevel)
            {
  #ifdef USE_INPUT_BUF
!               add_to_input_buf(keys, (int)STRLEN(keys));
  #else
                emsg(_("E980: lowlevel input not supported"));
  #endif
--- 2472,2488 ----
            if (lowlevel)
            {
  #ifdef USE_INPUT_BUF
!               int idx;
!               int len = (int)STRLEN(keys);
! 
!               for (idx = 0; idx < len; ++idx)
!               {
!                   // if a CTRL-C was typed, set got_int, similar to what
!                   // happens in fill_input_buf()
!                   if (keys[idx] == 3 && ctrl_c_interrupts && typed)
!                       got_int = TRUE;
!                   add_to_input_buf(keys + idx, 1);
!               }
  #else
                emsg(_("E980: lowlevel input not supported"));
  #endif
*** ../vim-8.2.0420/src/version.c       2020-03-20 19:37:26.554539638 +0100
--- src/version.c       2020-03-20 20:25:29.369987470 +0100
***************
*** 740,741 ****
--- 740,743 ----
  {   /* Add new patch number below this line */
+ /**/
+     421,
  /**/

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