Use raw true/false in JSON output

data/Journal_2024-10-20.txt

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+Found a "bug" in =com.jeantessier.dependency.JSONPrinter=.  It rendered boolean
+values for confirmed nodes as the strings ="true"= and ="false"=, instead of
+the raw boolean values =true= and =false= that are allowed in JSON.  I had to
+fix quite a few test data templates.  The templates didn't end with a newline
+character because I compared them to the printer's output, which doesn't have
+one either.  But IntelliJ IDEA decided to add a newline on each file that I
+touched, out of the goodness of its heart.  I would have been tedious to open
+each file in another editor, just to remove a newline.  So, I adjusted the test
+to add a newline to the printer's output instead.