+comments section "Some rules for the chat script" to prevent future mistakes

diff --git a/bin/ppp9k b/bin/ppp9k
index 79169a5..1f3316f 100755 (executable)
--- a/bin/ppp9k
+++ b/bin/ppp9k
@@ -38,6 +38,12 @@ PORT="${PORT:-ttyS1}"
 if [ "${PORT#*/}" = "$PORT" ];then PORT="/dev/$PORT";fi
 NOKIABAUD="${NOKIABAUD:-19200}"
 
+# Some rules for the chat script:
+# 9000i starts with: ATZ, AT&F  (the need for TIMEOUT 2, "-OK^M^J-AT&F")
+# 9110  starts with:      AT&F
+# user can have global     custom initialization string (need for one "OK^M^J")
+# user can have connection custom initialization string (need for one "OK^M^J")
+
 (trap "" HUP
        while [ '!' -f "$pid" ];do sleep 1;done
        me="`cat "$pid"`"