Demo of regression in .append() (and other methods) in jQuery 1.3.1

Not all paragraphs have a <b> element appended and prepended, and only clicking the first <b> triggers an alert! and the b
See this demo working correctly in jQuery 1.2.6

<--prepended || appended-->

<--prepended || appended-->

<--prepended || appended-->

<--prepended || appended-->

<--prepended || appended-->

Prototype --> Click Me!