Good programming practices

Permalinks with dot cause 404 in WP

July 8th, 2011

After updating WordPress to version 3.1, Google Webmaster Tools found the 404 error in some of this blog posts. I discovered that problem was a dot in a permalinks. While seeking solution I found other problems with permalinks in WP 3 but none of them concerned my problem.

Finally I found the solution and I decided to describe it here. Mark Jaquith made a Periods in Titles plugin that solve this problem. I checked that it works with WP 3.1.4 and 3.2. If you are using WP 3.1 or higher check if your permalinks with dot don’t display the 404 error.

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