Archive for the ‘blog’ Category

Facebook link

Saturday, May 9th, 2009

Kevin suggested I link my blog into facebook so that he could comment through there. Here’s a wordpress plugin that accomplishes this.

This post should test whether the plugin is working.

Update: When debugging wordpress plugins, it’s very convenient to have a friend who knows the developer personally. Thanks Adam Hupp!

Update: Unfortunately, facebook connect appears to be incompatible with an application/xhtml+xml content type. I need that content type for mathml use (facebook ≪ math), so no luck for now. Thanks again to Adam Hupp for tracking this down, and to Kevin Der for asking him.

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Itex2MML

Sunday, November 23rd, 2008

Latex formula support is provided via itex2MML and Jacques Distler’s excellent WordPress plugin.  Frederick Leitner modified these for WordPress 2.0.0/2.0.1.  Unfortunately, WordPress 2.6 is different again, so I had to tweak a bit further.  Here are instructions:

  1. Install itex2MML and the itex2MML WordPress plugin.
  2. Install the content negotiation plugin.
  3. Apply the diff formatting.php.diff to get formatting.php. This is a modified version of the diff provided by Leitner. Note that I had to remove the “|math|” bit from allblocks to prevent inline math from breaking. Some of the cases probably could use “|math|”, so this may need additional modification.
  4. Modify the doctype in wp-content/themes/…/header.php to allow general mathml: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1 plus MathML 2.0 plus SVG 1.1//EN" "http://www.w3.org/2002/04/xhtml-math-svg/xhtml-math-svg-flat.dtd" >
  5. (Update) Change the {1,8} ranges in formatting.php to at least {1,10} in order to treat &rightarrow; correctly.

Warning: itex2MML produces MathML, which is not readable by a many browsers. Hopefully this situation will improve, but until then this blog will be nonportable.

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A blog!

Sunday, November 23rd, 2008

Basic math support appears to be working, so now I have a blog.

Here’s a test of inline math (x+y+x y+x y) and an integral:

∫ 0 1 xdx=1 2

Success!  I’ll provide details of the mathml/itex setup in a separate post.

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