More commentary on isalnum.

3 files changed, 25 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index 4cfd6d37..5bf1ab1e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2014-09-19         Arnold D. Robbins     <arnold@skeeve.com>
+
+	* awkgram.y: Further commentary as to the treacherousness
+	of isalnum and isalpha.
+
 2014-09-15         Arnold D. Robbins     <arnold@skeeve.com>
 
 	Finish removing use of isalpha and isalnum.
diff --git a/awkgram.c b/awkgram.c
index 4b8e33af..b7354f67 100644
--- a/awkgram.c
+++ b/awkgram.c
@@ -8084,6 +8084,16 @@ install_builtins(void)
 
 /* is_alpha --- return true if c is an English letter */
 
+/*
+ * The scene of the murder was grisly to look upon.  When the inspector
+ * arrived, the sergeant turned to him and said, "Another programmer stabbed
+ * in the back. He never knew what happened."
+ * 
+ * The inspector replied, "Looks like the MO of isalpha, and his even meaner
+ * big brother, isalnum. The Locale brothers."  The sergeant merely
+ * shuddered in horror.
+ */
+
 bool
 is_alpha(int c)
 {
diff --git a/awkgram.y b/awkgram.y
index 50e01f11..21c83925 100644
--- a/awkgram.y
+++ b/awkgram.y
@@ -5745,6 +5745,16 @@ install_builtins(void)
 
 /* is_alpha --- return true if c is an English letter */
 
+/*
+ * The scene of the murder was grisly to look upon.  When the inspector
+ * arrived, the sergeant turned to him and said, "Another programmer stabbed
+ * in the back. He never knew what happened."
+ * 
+ * The inspector replied, "Looks like the MO of isalpha, and his even meaner
+ * big brother, isalnum. The Locale brothers."  The sergeant merely
+ * shuddered in horror.
+ */
+
 bool
 is_alpha(int c)
 {