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Typographic Conventions

Variables are italicized (e.g., TU, startTimes). Variable values (e.g., month, date), keywords (e.g., if, then, else), and conceptual notations are in bold-face. Function names are in roman (e.g., merge(TU1, TU2)). X $\rightarrow$Y refers to the field(s) Y within X (e.g., TU $\rightarrow$startTimes, TU $\rightarrow$endTimes, TU $\rightarrow$name) % Denotes comments in rules. forward-looking-adjective are adjectives that indicate a time in the future. For instance, ``next'', ``following'', or in Spanish ``proximo'', ``siguiente'', ``viene''.