<div dir="ltr">Hello, this is my first appearance here 🙂<br>Any corrections, suggestions, etc are appreciated.<br><br><b>## Issue:</b><br>Renaming a class category does not rename class extensions.<br><br><b>## Example:</b><div>I have a package named "Aconcagua".<br><span id="gmail-docs-internal-guid-be3fc5cf-7fff-a84a-cff4-aa200c3494a7"><span style="font-size:11pt;font-family:Arial,sans-serif;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;vertical-align:baseline"><span style="border:none;display:inline-block;overflow:hidden;width:602px;height:433px"><img src="https://lh7-us.googleusercontent.com/bLbT1cPpaz2335_khZVQk8XsUXvRzD_wfjc631uba2qPU1uIoPTT881bDTvtQxOVKAOASx_slooMQkVIyaYYEekVE3EANiMiyDdOz2MIEKJdK-Itmc9BbWAyUPS39mrTyL8dmrPCDVRAtiQaD6GSdyA" width="602" height="433" style="margin-left: 0px; margin-top: 0px;"></span></span></span><div><font color="#000000" face="Arial, sans-serif"><span style="font-size:14.6667px"><br></span></font>The class Number has an extension which is "*Aconcagua-Extensions", meaning it belongs to the Aconcagua package.<div><span id="gmail-docs-internal-guid-b2016c7e-7fff-08b8-1f47-3104adf63dce"><span style="font-size:11pt;font-family:Arial,sans-serif;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;vertical-align:baseline"><span style="border:none;display:inline-block;overflow:hidden;width:602px;height:153px"><img src="https://lh7-us.googleusercontent.com/zzysp6490megY1Sbut2o_ccxRqTdb9TiX-5QJ0GrLcLRRvYH5CxQhvS-h7CiD8oJfp7iC2nRL81dbOQw1qibX-7fXcxud9EcILadaOQMS8DDhlLbRPppxdooO8AlwgTfq12tGXqx9d9aXbJQUZ6Lgw8" width="602" height="153" style="margin-left: 0px; margin-top: 0px;"></span></span></span></div><div><br></div><div>If I want to rename the package "Aconcagua" to "Iguazu".</div><div>I would expect that class extensions belonging to that package, for example "*Aconcagua-Extensions" of Number, would also be renamed to "*Iguazu-Extensions".<br>However, currently class extensions are not affected.<br><br><b>## My suggested changes:</b><br></div></div></div></div>