From c1a62521c4f4fd4f540b00d55d8ca197b59837cb Mon Sep 17 00:00:00 2001
From: Bruno Raoult <braoult@gmail.com>
Date: Sun, 5 Sep 2021 12:46:41 +0200
Subject: [PATCH] C phone-number: more comments

---
 c/phone-number/phone_number.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/c/phone-number/phone_number.c b/c/phone-number/phone_number.c
index 22c5773..2efe4e6 100644
--- a/c/phone-number/phone_number.c
+++ b/c/phone-number/phone_number.c
@@ -12,6 +12,10 @@
 /* this version is likely not very stable, due to poor scanf() capabilities
  * I made it to offer an option to traditional strtok() or manual string
  * parsing.
+ * Examples:
+ *    (1 (222-333.4444
+ *    1)))))) 222))) ...---...  333 ...---... 4444
+ * are both valid here, when they surely should not :-)
  */
 static char *scan="%m[+(0-9]%*[()-. ]%m[0-9]%*[)-. ]%m[0-9]%*[-. ]%m[0-9]";