add note about anti-aliasing

Author: chrisws

_build/reference/613-graphics-circle.markdown

@@ -76,7 +76,7 @@ wend
 
 ~~~
 
-By default line drawing using anti-aliasing. For details, see: [Xiaolin Wu's line algorithm](https://en.wikipedia.org/wiki/Xiaolin_Wu%27s_line_algorithm){target=_blank}
+By default CIRCLE draws with anti-aliasing. For details, see: [Fast, Antialiased Circles and Ellipses](https://yellowsplash.wordpress.com/2009/10/23/fast-antialiased-circles-and-ellipses-from-xiaolin-wus-concepts/){target=_blank}
 
 To turn off anti-aliasing, add this to the start of your program:
 

_build/reference/618-graphics-line.markdown

@@ -13,7 +13,7 @@ line 60,0,60,120 color 2
 line 100,0,100,120 color 2
 ```
 
-By default line drawing using anti-aliasing. For details, see: [Xiaolin Wu's line algorithm](https://en.wikipedia.org/wiki/Xiaolin_Wu%27s_line_algorithm){target=_blank}
+By default LINE draws with anti-aliasing. For details, see: [Xiaolin Wu's line algorithm](https://en.wikipedia.org/wiki/Xiaolin_Wu%27s_line_algorithm){target=_blank}
 
 To turn off anti-aliasing, add this to the start of your program:
 

reference/613.html

@@ -149,7 +149,7 @@ <h1>CIRCLE</h1>
   if a=-.1 then dir=dir*-1
 wend
 </code></pre>
-<p>By default line drawing using anti-aliasing. For details, see: <a href="https://en.wikipedia.org/wiki/Xiaolin_Wu%27s_line_algorithm" target="_blank">Xiaolin Wu’s line algorithm</a></p>
+<p>By default CIRCLE draws with anti-aliasing. For details, see: <a href="https://yellowsplash.wordpress.com/2009/10/23/fast-antialiased-circles-and-ellipses-from-xiaolin-wus-concepts/" target="_blank">Fast, Antialiased Circles and Ellipses</a></p>
 <p>To turn off anti-aliasing, add this to the start of your program:</p>
 <pre><code> option predef antialias off</code></pre>
   <div class="lavenderBox">
@@ -203,7 +203,7 @@ <h1>CIRCLE</h1>
   </div>
 </div>
     <div class="pagefooter">
-      This page was last edited on Sat, 17 Mar 2018 11:54:15 +1000
+      This page was last edited on Tue, 5 Mar 2019 18:48:34 +1000
  |
       <a href="https://en.wikipedia.org/wiki/Markdown" target="_blank" rel="nofollow">Markdown</a>
       processed with

reference/618.html

@@ -89,7 +89,7 @@ <h1>LINE</h1>
 line 20,80,140,80 color 2
 line 60,0,60,120 color 2
 line 100,0,100,120 color 2</code></pre>
-<p>By default line drawing using anti-aliasing. For details, see: <a href="https://en.wikipedia.org/wiki/Xiaolin_Wu%27s_line_algorithm" target="_blank">Xiaolin Wu’s line algorithm</a></p>
+<p>By default LINE draws with anti-aliasing. For details, see: <a href="https://en.wikipedia.org/wiki/Xiaolin_Wu%27s_line_algorithm" target="_blank">Xiaolin Wu’s line algorithm</a></p>
 <p>To turn off anti-aliasing, add this to the start of your program:</p>
 <pre><code> option predef antialias off</code></pre>
   <div class="lavenderBox">
@@ -143,7 +143,7 @@ <h1>LINE</h1>
   </div>
 </div>
     <div class="pagefooter">
-      This page was last edited on Sat, 17 Mar 2018 11:54:15 +1000
+      This page was last edited on Tue, 5 Mar 2019 18:48:34 +1000
  |
       <a href="https://en.wikipedia.org/wiki/Markdown" target="_blank" rel="nofollow">Markdown</a>
       processed with