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pragma: add minimalist message pragma documentation

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documents 6e93c1ba7332c55eb2067d7be6d20050912ef27d
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Pascal de Bruijn 2017-07-20 18:13:39 +02:00
parent 6e93c1ba73
commit 80b27bde5e
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doc/cc65.sgml
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@ -1119,6 +1119,23 @@ parameter with the <tt/#pragma/.
remembered and output as a whole when translation is finished.
<sect1><tt>#pragma message (&lt;message&gt;)</tt><label id="pragma-message"><p>
This pragma is used to display informational messages at compile-time.
The message intented to be displayed must be a string literal.
Example:
<tscreen><verb>
#pragma message ("in a bottle")
</verb></tscreen>
Results in the compiler outputting the following to stderr:
<tscreen><verb>
example.c(42): Note: in a bottle
</verb></tscreen>
<sect1><tt>#pragma optimize ([push,] on|off)</tt><label id="pragma-optimize"><p>
Switch optimization on or off. If the argument is "off", optimization is