About this Document
Chapter 1	Introduction	1
Chapter 2	Language Concepts	21
Chapter 3	Identifiers	35
Chapter 4	Conditions	41
Chapter 5	Time Expressions	53
Chapter 6	Rules	77
Chapter 7	Message and Command Queues	87
Chapter 8	Listeners	91
Chapter 9	Commands	97
Chapter 10	Prefix Commands	138
Chapter 11	Source File Directives	143
Chapter 12	Symbolic Substitution	147
Chapter 13	Check Scripts	155
Appendix A.	Special Symbols	157
Appendix B.	Cron Schedules	161
Appendix C.	Sample Scripts	163
Appendix D.	Transitional Features	169
Appendix E.	Release News	173
	GNU Free Documentation License

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