LIBTOOL TAG CONFIG tag header

[Albert Chin]

Why do we create the libtool tag header/footer like so:
  BEGIN LIBTOOL TAG CONFIG: $tagname
  END LIBTOOL TAG CONFIG: $tagname

Why not use $1:
@@ -3911,7 +3953,7 @@
 available_tags=
 
 # ### BEGIN LIBTOOL CONFIG],
-[# ### BEGIN LIBTOOL TAG CONFIG: $tagname])
+[# ### BEGIN LIBTOOL TAG CONFIG: $1])
 
 # Libtool was configured on host `(hostname || uname -n) 2>/dev/null | sed 1q`:
 
@@ -4207,7 +4249,7 @@
 
 ifelse([$1],[],
 [# ### END LIBTOOL CONFIG],
-[# ### END LIBTOOL TAG CONFIG: $tagname])
+[# ### END LIBTOOL TAG CONFIG: $1])
 
 __EOF__

-- 
albert chin (address@hidden)