+ * These argument-breaking rules apply to Visual Studio 7, which
+ * is currently the compiler expected to be used for PuTTY. Visual
+ * Studio 10 has different rules, lacking the curious mod 3
+ * behaviour of consecutive quotes described below; I presume they
+ * fixed a bug. As and when we migrate to a newer compiler, we'll
+ * have to adjust this to match; however, for the moment we
+ * faithfully imitate in our GUI utilities what our CLI utilities
+ * can't be prevented from doing.
+ *
+ * When I investigated this, at first glance the rules appeared to
+ * be: