From e226bef8253d50db7c1622aacaf5964f1d505359 Mon Sep 17 00:00:00 2001
From: pommicket <pommicket@gmail.com>
Date: Tue, 29 Aug 2023 15:41:50 -0400
Subject: guide done for now

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+--- syntax
+<p>
+here are the various ways of specifying widget inputs:
+</p>
+<table>
+<tbody>
+<tr><th style="min-width:10em;">format</th><th>example</th><th>description</th></tr>
+<tr><td><code>&lt;number&gt;</code></td><td><code>5.3</code></td><td>a number</td></tr>
+<tr><td><code>#RRGGBB</code></td><td><code>#ff831c</code></td><td>a 3-component vector whose values are taken from the given color code. a color picker will be shown next to the input.</td></tr>
+<tr><td><code>#RRGGBBAA</code></td><td><code>#ff831c22</code></td><td>a 4-component vector whose values are taken from the color code.</td></tr>
+<tr><td><code>&lt;widget name&gt;</code></td><td><code>add1</code></td><td>the output from another widget</td></tr>
+<tr><td><code>&lt;input&gt;,&lt;input&gt;</code></td><td><code>.pos,0</code></td><td>a vector composed of <code>a</code> and <code>b</code> (which can themselves be vectors)</td></tr>
+<tr><td><code>&lt;input&gt;.&lt;component&gt;</code></td><td><code>.pos.x</code></td><td>extract a single component from a vector</td></tr>
+<tr><td><code>&lt;input&gt;.&lt;swizzle&gt;</code></td><td><code>.pos.yxy</code></td><td>reorder vector components (this example is equivalent to <code>.pos.y, .pos.x, .pos.y</code>)</td></tr>
+</tbody>
+</table>
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