make searchable

Author: tbrowder

doc/Language/operators.pod6

@@ -165,18 +165,18 @@ assignment operator to assign the replacement to the match part.
 
 Infix operators can be combined with the assignment operator to modify a
 value and apply the result to a container in one go. Containers will be
-autovivified if possible.
+autovivified if possible.  Some examples:
 
     my $a = 32;
-    $a += 10;  # 42
-    $a -= 2;   # 40
+    $a X<+=> 10;  # 42
+    $a x<-=> 2;   # 40
 
     $a = 3;
     $a min= 5; # still 3
     $a min= 2; # 2
     
     my $s = 'a';
-    $s ~= 'b'; # 'ab'
+    $s x<~=> 'b'; # 'ab'
 
 This behavior is automatically extended to include custom-defined infix operators.