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Update README for SemanticTags

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1 parent cbe9805 commit b90e061de8a2c457715d0b728bf52ff8b468ceaf @lethain committed Nov 23, 2012
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  1. +17 −1 README.rst
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@@ -113,7 +113,23 @@ extraction.techniques.SemanticTags
This technique relies on the basic tags themselves--for example,
all IMG tags include images, most H1 and H2 tags include titles,
-and P tags often include text usable as descriptions.
+and P tags often include text usable as descriptions::
+
+ <html>
+ <body>
+ <h1>This will be extracted as a title.</h1>
+ <h2>So will this, but after all H1s.</h2>
+ <img src="this_will_be_extracted_as_an_img.png">
+ <p>And this as a description.</p>
+ <p>This as another possible description.</p>
+ <p>This as a third possible description.</p>
+ </body>
+ </html>
+
+There is a limit, defined within `SemanticTags` of how many
+tags of a given type will be consumed, and is usually 3-5,
+with the exception of images, where it is 10 (as this is
+actually a valid way to detect images, unlike the others).
This is a true last resort technique.

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