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2.7 Comments

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A comment starts with two adjacent hyphens and extends up to the end of the line.

Syntax

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comment::= −−{non_end_of_line_character}

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A comment may appear on any line of a program.
Static Semantics

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The presence or absence of comments has no influence on whether a program is legal or illegal. Furthermore, comments do not influence the meaning of a program; their sole purpose is the enlightenment of the human reader.

Examples

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Examples of comments:

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     −−  the last sentence above echoes the Algol 68 report 
     
     end;  −−  processing of Line is complete 
     
     −−  long comment may be split onto
     −−  two or more consecutive lines   
     
     −−−−−−−−−−−−−−−−  the first two hyphens start the comment