st is a simple terminal implementation for X environment.
savedconfig USE flag can be enabled and save a customized configuration file to /etc/portage/savedconfig/x11-terms/st for later editing pleasure.
euse --enable savedconfig
emerge --ask x11-terms/st
As stated previously, the main st configuration file is the /etc/portage/savedconfig/x11-terms/st file and after each change, st needs to be recompiled for any changes to take effect.
Patches and additional features
There are many user-created patches available from the offical site that greatly extend the functionality of st.
Delete key is not working properly
Add following to the /etc/inputrc to make a system-wide change:
set enable-keypad on
Or to the relative user's ~/.inputrc file:
$include /etc/inputrc set enable-keypad on