http://50.77.162.165/mediawiki/index.php?action=history&feed=atom&title=Comments_and_whitespace 2026-04-25T15:55:35Z Revision history for this page on the wiki MediaWiki 1.15.5-7 http://50.77.162.165/mediawiki/index.php?title=Comments_and_whitespace&diff=2112&oldid=prev 2010-10-26T13:20:17Z

<p>Archive and test-case the \\ \n ? rejection decision.</p> <p><b>New page</b></p><div>{{XXX|Give a sufficiently formal definition here.}}<br /> <br /> ==Line comments==<br /> <br /> The character ‘&lt;code&gt;#&lt;/code&gt;’ begins a line comment, which may occur anywhere; all characters up to the end of the line are ignored. The characters ‘&lt;code&gt;&amp;gt;&lt;/code&gt;’ and ‘&lt;code&gt;?&lt;/code&gt;’, which denote [[Updoc]], begin line comments if and only if they are the first non-whitespace character at the beginning of the line.<br /> <br /> If the preceding line ended with a line continuation character, then a ‘&lt;code&gt;?&lt;/code&gt;’ is a syntax error.<br /> {{rationale|This avoids potential ambiguity over whether ‘&lt;code&gt;?&lt;/code&gt;’ is a such-that operator or Updoc. [http://www.eros-os.org/pipermail/e-lang/2008-March/012662.html Decision.]}}<br /> <br /> ? foo =~ bar \<br /> &gt; ? baz<br /> # syntax error: ...<br /> <br /> {{stub}}<br /> <br /> <br /> [[Category:E syntax specification]]</div>

Kevin Reid