tex: zero-length matches and EOL - neatvi - [fork] simple vi-type editor with UTF-8 support
  HTML git clone git://src.adamsgaard.dk/neatvi
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       ---
   DIR commit d820629569cdd2fcf7db0a9844e06963c02d5ff6
   DIR parent fb4a84a4c678277646bd1873f1d75abd6b527ab7
  HTML Author: Ali Gholami Rudi <ali@rudi.ir>
       Date:   Fri, 23 Feb 2018 08:59:05 +0330
       
       ex: zero-length matches and EOL
       
       Diffstat:
         M ex.c                                |       6 +++---
       
       1 file changed, 3 insertions(+), 3 deletions(-)
       ---
   DIR diff --git a/ex.c b/ex.c
       t@@ -719,10 +719,10 @@ static int ec_substitute(char *ec)
                                sbuf_mem(r, ln, offs[0]);
                                replace(r, rep, ln, offs);
                                ln += offs[1];
       -                        if (offs[1] <= 0)
       -                                sbuf_chr(r, (unsigned char) *ln++);
       -                        if (!strchr(s, 'g'))
       +                        if (!*ln || !strchr(s, 'g'))
                                        break;
       +                        if (offs[1] <= 0)        /* zero-length match */
       +                                sbuf_chr(r, (unsigned char) *ln++);
                        }
                        sbuf_str(r, ln);
                        lbuf_edit(xb, sbuf_buf(r), i, i + 1);