Local variable examples that break everything (WIP #69)

examples/divert-target-for-loop/main.hank

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+```
+var targets = [->knot1, ->knot2, ->knot3];
+for (target in targets) {
+	trace(target);
+  , -> @target ->
+}
+```
+
+The end.
+
+== knot0
+Non-loop example.
+
+== knot1
+1
+
+== knot2
+2
+
+== knot3
+3

examples/divert-target-for-loop/test1.hlog

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+1
+2
+3
+The end.

examples/local-variables/main.hank

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+```
+var local = "1";
+, {local}
+
+local = "2";
+var local2 = "3";
+
+,,,
+{local}
+{local2}
+,,,
+
+local = ->the_end;
+
+, ->the_end
+
+```
+
+== the_end
+
+The end.

examples/local-variables/test1.hlog

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+1
+2
+3
+The end.