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From: egarrulo <egarrulo@gmail.com>
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Subject: Incremental search of a package
Date: Sat, 23 Jul 2016 18:42:17 +0200
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To search for a package in the "*Packages*" buffer after M-x 
package-show-package-list, I am currently using regular expressions like 
this:

1. I start an incremental regexp search;
2. I enter the string "^  " (without quotes) because each line starts 
with two spaces followed by the package name;
3. I start to type the name of the package.

Is there a more straightforward way?  If not, is it possible to write a 
command that performs the steps 1 and 2, so that you only need to start 
typing the name of the package?

Thank you.