Minor URL formatting tweaks.

examples/formatting.txt

@@ -21,6 +21,6 @@ It also allows preformatted text using three backquotes in a single line:
 
 ```
 
-URLs like https://en.wikipedia.org/wiki/Main_Page are made clickable.
+URLs like https://en.wikipedia.org/wiki/Main_Page are made clickable, https://codeberg.org/grunfink/snac2.
 
 Some emojis: X-D <3 :beer: :shrug: :shrug2:

format.c

@@ -71,7 +71,8 @@ static d_char *format_line(const char *line)
             }
             else
             if (xs_startswith(v, "http")) {
-                xs *s1 = xs_fmt("<a href=\"%s\" target=\"_blank\">%s</a>", v, v);
+                xs *v2 = xs_strip_chars_i(xs_dup(v), ".");
+                xs *s1 = xs_fmt("<a href=\"%s\" target=\"_blank\">%s</a>", v2, v);
                 s = xs_str_cat(s, s1);
             }
             else