Clarify Texas atomics are just subs

Author: zoffixznet

doc/Language/unicode_texas.pod6

@@ -114,7 +114,13 @@ equivalents] that have a special meaning in Perl 6.
 =head2 Atomic Operators
 
 The atomic operators have C<U+269B ⚛ ATOM SYMBOL> incorporated into them. Their
-Texas equivalents are subroutines, which are as follows:
+Texas equivalents are ordinary subroutines, not operators:
+
+    my atomicint $x = 42;
+    $x⚛++;                # Unicode version
+    atomic-fetch-inc($x); # Texas version
+
+The Texas alternatives are as follows:
 
 =table
   Symbol | Texas            | Remarks