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If the $error variable contains a value other than 0 after the last two script steps above are executed exactly as written, then the $dictionary variable did not contain valid Let notation. However, if $error does contain 0, that doesn't necessarily indicate that $dictionary did contain best-practice Let notation. There are additional recommendations that facilitate parsing a dictionary and encourage programming best practices.

Implementation Recommendations

Name-value pairs begin with a locally-scoped variable name and no leading whitespace.