🔖 set version to 3.7.2

doc/examples/README.link

@@ -1 +1 @@
-<a target="_blank" href="https://wandbox.org/permlink/aMsX89i37S5EFFt2"><b>online</b></a>
+<a target="_blank" href="https://wandbox.org/permlink/CW3GU0YMAkovKtCO"><b>online</b></a>

doc/examples/meta.output

@@ -11,7 +11,7 @@
     "version": {
         "major": 3,
         "minor": 7,
-        "patch": 1,
-        "string": "3.7.1"
+        "patch": 2,
+        "string": "3.7.2"
     }
 }