book/src/atccl_constraints.txt
author Eugen Sawin <sawine@me73.com>
Fri, 25 Mar 2011 15:57:06 +0100
changeset 6 189c28168c97
permissions -rw-r--r--
Corrections.
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constraint       = "constraint" id "(" constraint_term ")"
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constraint_term  = "time_sep" "at" (string | string_array) 
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                     "is" int si_unit 
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                     [ "from" int "until" int ]
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                     [ "at" "fl" int_array ]
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		   | constraint_term "and" constraint_term
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si_unit          = "s" | "min"