From: ldo@nz.invalid

On Mon, 20 Oct 2025 23:35:35 -0000 (UTC), I wrote:

>     for (i = len(s);;)
>       {
>         ...
>       } /*for*/

Make that

    for (i = len(s);;)
      {
        if (i == 0)
          {
            found = false;
            break;
          } /*if*/
        --i;
        if (matches(s[i]))
          {
            found = true;
            break;
          } /*if*/
      } /*for*/

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