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pollen/doc/World.html

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11 years ago
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<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"/><title>11.9&nbsp;World</title><link rel="stylesheet" type="text/css" href="scribble.css" title="default"/><link rel="stylesheet" type="text/css" href="racket.css" title="default"/><link rel="stylesheet" type="text/css" href="manual-style.css" title="default"/><link rel="stylesheet" type="text/css" href="manual-racket.css" title="default"/><script type="text/javascript" src="scribble-common.js"></script><script type="text/javascript" src="manual-racket.js"></script><!--[if IE 6]><style type="text/css">.SIEHidden { overflow: hidden; }</style><![endif]--></head><body id="scribble-racket-lang-org"><div class="tocset"><div class="tocview"><div class="tocviewlist tocviewlisttopspace"><div class="tocviewtitle"><table cellspacing="0" cellpadding="0"><tr><td style="width: 1em;"><a href="javascript:void(0);" title="Expand/Collapse" class="tocviewtoggle" onclick="TocviewToggle(this,&quot;tocview_0&quot;);">&#9658;</a></td><td></td><td><a href="index.html" class="tocviewlink" data-pltdoc="x">Pollen:<span class="mywbr"> &nbsp;</span> the book is a program</a></td></tr></table></div><div class="tocviewsublisttop" style="display: none;" id="tocview_0"><table cellspacing="0" cellpadding="0"><tr><td align="right">1&nbsp;</td><td><a href="Installation.html" class="tocviewlink" data-pltdoc="x">Installation</a></td></tr><tr><td align="right">2&nbsp;</td><td><a href="quick-tour.html" class="tocviewlink" data-pltdoc="x">Quick tour</a></td></tr><tr><td align="right">3&nbsp;</td><td><a href="Backstory.html" class="tocviewlink" data-pltdoc="x">Backstory</a></td></tr><tr><td align="right">4&nbsp;</td><td><a href="big-picture.html" class="tocviewlink" data-pltdoc="x">The big picture</a></td></tr><tr><td align="right">5&nbsp;</td><td><a href="first-tutorial.html" class="tocviewlink" data-pltdoc="x">First tutorial</a></td></tr><tr><td align="right">6&nbsp;</td><td><a href="second-tutorial.html" class="tocviewlink" data-pltdoc="x">Second tutorial</a></td></tr><tr><td align="right">7&nbsp;</td><td><a href="third-tutorial.html" class="tocviewlink" data-pltdoc="x">Third tutorial</a></td></tr><tr><td align="right">8&nbsp;</td><td><a href="raco-pollen.html" class="tocviewlink" data-pltdoc="x">Using <span class="stt">raco pollen</span></a></td></tr><tr><td align="right">9&nbsp;</td><td><a href="File_formats.html" class="tocviewlink" data-pltdoc="x">File formats</a></td></tr><tr><td align="right">10&nbsp;</td><td><a href="reader.html" class="tocviewlink" data-pltdoc="x">&#9674; command overview</a></td></tr><tr><td align="right">11&nbsp;</td><td><a href="Module_reference.html" class="tocviewselflink" data-pltdoc="x">Module reference</a></td></tr><tr><td align="right">12&nbsp;</td><td><a href="Acknowledgments.html" class="tocviewlink" data-pltdoc="x">Acknowledgments</a></td></tr><tr><td align="right">13&nbsp;</td><td><a href="License___source_code.html" class="tocviewlink" data-pltdoc="x">License &amp; source code</a></td></tr><tr><td align="right"></td><td><a href="doc-index.html" class="tocviewlink" data-pltdoc="x">Index</a></td></tr></table></div></div><div class="tocviewlist"><table cellspacing="0" cellpadding="0"><tr><td style="width: 1em;"><a href="javascript:void(0);" title="Expand/Collapse" class="tocviewtoggle" onclick="TocviewToggle(this,&quot;tocview_1&quot;);">&#9660;</a></td><td>11&nbsp;</td><td><a href="Module_reference.html" class="tocviewlink" data-pltdoc="x">Module reference</a></td></tr></table><div class="tocviewsublistbottom" style="display: block;" id="tocview_1"><table cellspacing="0" cellpadding="0"><tr><td align="right">11.1&nbsp;</td><td><a href="Cache.html" class="tocviewlink" data-pltdoc="x">Cache</a></td></tr><tr><td align="right">11.2&nbsp;</td><td><a href="Decode.html" class="tocviewlink" data-pltdoc="x">Decode</a></td></tr><tr><td align="right">11.3&nbsp;</td><td><a href="file-types.html" class="tocviewlink" data-pltdoc="x">File</a></td></tr><tr><td align="right">11.4&nbsp;</td><td><a href="Pagetree.html" class="tocviewlink" data-pltdoc="x">Pagetre
11 years ago
<br/><span class="RktSym"><a href="World.html#%28def._%28%28lib._pollen%2Fworld..rkt%29._world~3amarkup-source-ext%29%29" class="RktValLink" data-pltdoc="x">world:markup-source-ext</a></span> = <span class="RktSym">pm</span><span class="RktMeta"></span>
<br/><span class="RktSym"><a href="World.html#%28def._%28%28lib._pollen%2Fworld..rkt%29._world~3amarkdown-source-ext%29%29" class="RktValLink" data-pltdoc="x">world:markdown-source-ext</a></span> = <span class="RktSym">pmd</span><span class="RktMeta"></span>
<br/><span class="RktSym"><a href="World.html#%28def._%28%28lib._pollen%2Fworld..rkt%29._world~3anull-source-ext%29%29" class="RktValLink" data-pltdoc="x">world:null-source-ext</a></span> = <span class="RktSym">p</span><span class="RktMeta"></span>
<br/><span class="RktSym"><a href="World.html#%28def._%28%28lib._pollen%2Fworld..rkt%29._world~3apagetree-source-ext%29%29" class="RktValLink" data-pltdoc="x">world:pagetree-source-ext</a></span> = <span class="RktSym">ptree</span><span class="RktMeta"></span>
<br/><span class="RktSym"><a href="World.html#%28def._%28%28lib._pollen%2Fworld..rkt%29._world~3atemplate-source-ext%29%29" class="RktValLink" data-pltdoc="x">world:template-source-ext</a></span> = <span class="RktSym">pt</span><span class="RktMeta"></span>
<br/><span class="RktSym"><a href="World.html#%28def._%28%28lib._pollen%2Fworld..rkt%29._world~3ascribble-source-ext%29%29" class="RktValLink" data-pltdoc="x">world:scribble-source-ext</a></span> = <span class="RktSym">scrbl</span><span class="RktMeta"></span></p><p><div class="SIntrapara"><blockquote class="SVInsetFlow"><table cellspacing="0" cellpadding="0" class="boxed RBoxed"><tr><td><blockquote class="SubFlow"><div class="RBackgroundLabel SIEHidden"><div class="RBackgroundLabelInner"><p>value</p></div></div><p class="RForeground"><a name="(def._((lib._pollen/world..rkt)._world~3adecodable-extensions))"></a><span title="Provided from: pollen/world | Package: pollen"><span class="RktSym"><a href="World.html#%28def._%28%28lib._pollen%2Fworld..rkt%29._world~3adecodable-extensions%29%29" class="RktValDef RktValLink" data-pltdoc="x">world:decodable-extensions</a></span></span><span class="hspace">&nbsp;</span>:<span class="hspace">&nbsp;</span><span class="RktPn">(</span><span class="RktSym"><a href="http://docs.racket-lang.org/reference/data-structure-contracts.html#%28def._%28%28lib._racket%2Fcontract%2Fprivate%2Fmisc..rkt%29._listof%29%29" class="RktValLink" data-pltdoc="x">listof</a></span><span class="hspace">&nbsp;</span><span class="RktSym"><a href="http://docs.racket-lang.org/reference/symbols.html#%28def._%28%28quote._~23~25kernel%29._symbol~3f%29%29" class="RktValLink" data-pltdoc="x">symbol?</a></span><span class="RktPn">)</span></p></blockquote></td></tr></table></blockquote></div><div class="SIntrapara">File extensions that are eligible for decoding.</div></p><p><div class="SIntrapara"><blockquote class="SVInsetFlow"><table cellspacing="0" cellpadding="0" class="boxed RBoxed"><tr><td><table cellspacing="0" cellpadding="0" class="together"><tr><td><blockquote class="SubFlow"><div class="RBackgroundLabel SIEHidden"><div class="RBackgroundLabelInner"><p>value</p></div></div><p class="RForeground"><a name="(def._((lib._pollen/world..rkt)._world~3amode-auto))"></a><span title="Provided from: pollen/world | Package: pollen"><span class="RktSym"><a href="World.html#%28def._%28%28lib._pollen%2Fworld..rkt%29._world~3amode-auto%29%29" class="RktValDef RktValLink" data-pltdoc="x">world:mode-auto</a></span></span><span class="hspace">&nbsp;</span>:<span class="hspace">&nbsp;</span><span class="RktSym"><a href="http://docs.racket-lang.org/reference/symbols.html#%28def._%28%28quote._~23~25kernel%29._symbol~3f%29%29" class="RktValLink" data-pltdoc="x">symbol?</a></span></p></blockquote></td></tr></table></td></tr><tr><td><table cellspacing="0" cellpadding="0" class="together"><tr><td><blockquote class="SubFlow"><div class="RBackgroundLabel SIEHidden"><div class="RBackgroundLabelInner"><p>value</p></div></div><p class="RForeground"><a name="(def._((lib._pollen/world..rkt)._world~3amode-preproc))"></a><span title="Provided from: pollen/world | Package: pollen"><span class="RktSym"><a href="World.html#%28def._%28%28lib._pollen%2Fworld..rkt%29._world~3amode-preproc%29%29" class="RktValDef RktValLink" data-pltdoc="x">world:mode-preproc</a></span></span><span class="hspace">&nbsp;</span>:<span class="hspace">&nbsp;</span><span class="RktSym"><a href="http://docs.racket-lang.org/reference/symbols.html#%28def._%28%28quote._~23~25kernel%29._symbol~3f%29%29" class="RktValLink" data-pltdoc="x">symbol?</a></span></p></blockquote></td></tr></table></td></tr><tr><td><table cellspacing="0" cellpadding="0" class="together"><tr><td><blockquote class="SubFlow"><div class="RBackgroundLabel SIEHidden"><div class="RBackgroundLabelInner"><p>value</p></div></div><p class="RForeground"><a name="(def._((lib._pollen/world..rkt)._world~3amode-markup))"></a><span title="Provided from: pollen/world | Package: pollen"><span class="RktSym"><a href="World.html#%28def._%28%28lib._pollen%2Fworld..rkt%29._world~3amode-markup%29%29" class="RktValDef RktValLink" data-pltdoc="x">world:mode-markup</a></span></span><span class="hspace">&nbsp;</span>:<span class="hspace">&nbsp;</span><span class="RktSym"><a href="http://docs.racket-lang.org/reference/symbols.html
11 years ago
<br/><span class="RktSym"><a href="World.html#%28def._%28%28lib._pollen%2Fworld..rkt%29._world~3amode-preproc%29%29" class="RktValLink" data-pltdoc="x">world:mode-preproc</a></span> = <span class="RktSym">pre</span><span class="RktMeta"></span>
<br/><span class="RktSym"><a href="World.html#%28def._%28%28lib._pollen%2Fworld..rkt%29._world~3amode-markup%29%29" class="RktValLink" data-pltdoc="x">world:mode-markup</a></span> = <span class="RktSym">markup</span><span class="RktMeta"></span>
<br/><span class="RktSym"><a href="World.html#%28def._%28%28lib._pollen%2Fworld..rkt%29._world~3amode-markdown%29%29" class="RktValLink" data-pltdoc="x">world:mode-markdown</a></span> = <span class="RktSym">markdown</span><span class="RktMeta"></span>
<br/><span class="RktSym"><a href="World.html#%28def._%28%28lib._pollen%2Fworld..rkt%29._world~3amode-pagetree%29%29" class="RktValLink" data-pltdoc="x">world:mode-pagetree</a></span> = <span class="RktSym">ptree</span><span class="RktMeta"></span></p><p><div class="SIntrapara"><blockquote class="SVInsetFlow"><table cellspacing="0" cellpadding="0" class="boxed RBoxed"><tr><td><blockquote class="SubFlow"><div class="RBackgroundLabel SIEHidden"><div class="RBackgroundLabelInner"><p>value</p></div></div><p class="RForeground"><a name="(def._((lib._pollen/world..rkt)._world~3adefault-pagetree))"></a><span title="Provided from: pollen/world | Package: pollen"><span class="RktSym"><a href="World.html#%28def._%28%28lib._pollen%2Fworld..rkt%29._world~3adefault-pagetree%29%29" class="RktValDef RktValLink" data-pltdoc="x">world:default-pagetree</a></span></span><span class="hspace">&nbsp;</span>:<span class="hspace">&nbsp;</span><span class="RktSym"><a href="http://docs.racket-lang.org/reference/strings.html#%28def._%28%28quote._~23~25kernel%29._string~3f%29%29" class="RktValLink" data-pltdoc="x">string?</a></span></p></blockquote></td></tr></table></blockquote></div><div class="SIntrapara">Pagetree that Pollen dashboard loads by default in each directory. Initialized to <span class="RktVal">"index.ptree"</span>.</div></p><p><div class="SIntrapara"><blockquote class="SVInsetFlow"><table cellspacing="0" cellpadding="0" class="boxed RBoxed"><tr><td><blockquote class="SubFlow"><div class="RBackgroundLabel SIEHidden"><div class="RBackgroundLabelInner"><p>value</p></div></div><p class="RForeground"><a name="(def._((lib._pollen/world..rkt)._world~3apagetree-root-node))"></a><span title="Provided from: pollen/world | Package: pollen"><span class="RktSym"><a href="World.html#%28def._%28%28lib._pollen%2Fworld..rkt%29._world~3apagetree-root-node%29%29" class="RktValDef RktValLink" data-pltdoc="x">world:pagetree-root-node</a></span></span><span class="hspace">&nbsp;</span>:<span class="hspace">&nbsp;</span><span class="RktSym"><a href="http://docs.racket-lang.org/reference/symbols.html#%28def._%28%28quote._~23~25kernel%29._symbol~3f%29%29" class="RktValLink" data-pltdoc="x">symbol?</a></span></p></blockquote></td></tr></table></blockquote></div><div class="SIntrapara">Name of the root node in a decoded pagetree. It&rsquo;s ignored by the code, so its only role is to clue you in that you&rsquo;re looking at something that came out of the pagetree decoder. Initialized to <span class="RktVal">'</span><span class="RktVal">pagetree-root</span>.</div></p><p><div class="SIntrapara"><blockquote class="SVInsetFlow"><table cellspacing="0" cellpadding="0" class="boxed RBoxed"><tr><td><blockquote class="SubFlow"><div class="RBackgroundLabel SIEHidden"><div class="RBackgroundLabelInner"><p>value</p></div></div><p class="RForeground"><a name="(def._((lib._pollen/world..rkt)._world~3acommand-marker))"></a><span title="Provided from: pollen/world | Package: pollen"><span class="RktSym"><a href="World.html#%28def._%28%28lib._pollen%2Fworld..rkt%29._world~3acommand-marker%29%29" class="RktValDef RktValLink" data-pltdoc="x">world:command-marker</a></span></span><span class="hspace">&nbsp;</span>:<span class="hspace">&nbsp;</span><span class="RktSym"><a href="http://docs.racket-lang.org/reference/characters.html#%28def._%28%28quote._~23~25kernel%29._char~3f%29%29" class="RktValLink" data-pltdoc="x">char?</a></span></p></blockquote></td></tr></table></blockquote></div><div class="SIntrapara">The magic character that indicates a Pollen command, function, or variable. Initialized to <span class="RktVal">#\&#9674;</span>.</div></p><p><div class="SIntrapara"><blockquote class="SVInsetFlow"><table cellspacing="0" cellpadding="0" class="boxed RBoxed"><tr><td><blockquote class="SubFlow"><div class="RBackgroundLabel SIEHidden"><div class="RBackgroundLabelInner"><p>value</p></div></div><p class="RForeground"><a name="(def._((lib._pollen/world..rkt)._world~3adefault-template-prefix))"></a><span title="Provided from: pollen/world | Package: pollen"><span class="RktSym"><a