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20 lines
826 B
Plaintext
20 lines
826 B
Plaintext
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created: 20220917112233317
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modified: 20220917155832411
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tags: Pragmas
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title: Pragma: \define
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type: text/vnd.tiddlywiki
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The ''\define'' [[pragma|Pragmas]]
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The first line of the definition specifies the macro name and any parameters. Each parameter has a name and, optionally, a default value that is used if no value is supplied on a particular call to the macro. The lines that follow contain the text of the macro text (i.e. the snippet represented by the macro name), until `\end` appears on a line by itself:
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<$codeblock code={{$:/editions/tw5.com/macro-examples/say-hi}}/>
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Alternatively, the entire definition can be presented on a single line without an `\end` marker:
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```
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\define sayhi(name:"Bugs Bunny") Hi, I'm $name$.
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```
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A more formal [[presentation|Macro Definition Syntax]] of this syntax is also available.
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