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+++ b/README.md
@@ -36,8 +36,6 @@ Read: https://k1ss.org/guidestones.txt
 <!-- vim-markdown-toc GFM -->
 
 * [Package format](#package-format)
-* [Customization](#customization)
-* [Alternatives system](#alternatives-system)
 * [Extending the package manager](#extending-the-package-manager)
 
 <!-- vim-markdown-toc -->
@@ -48,215 +46,6 @@ Read: https://k1ss.org/guidestones.txt
 See: <https://k1ss.org/package-system>
 
 
-## Customization
-
-```sh
-# The package manager is controlled through environment variables.
-#
-# These can be set in your '.profile' or '/etc/profile.d' to have
-# the options apply all the time.
-#
-# These can also be set in the current shell to have them apply
-# only for the current session.
-#
-# NOTE: The values shown below are the defaults.
-
-# Managing repositories.
-#
-# This works exactly like '$PATH' (Colon separated).
-#
-# A list of repositories the package manager will use. You can
-# add your own repositories or remove the default ones.
-export KISS_PATH=/var/db/kiss/repo/core:/var/db/kiss/repo/extra:/var/db/kiss/repo/xorg
-
-# Force package installation or removal.
-#
-# This can be used to bypass the dependency checks on installation
-# and removal of packages.
-#
-# Set it to '1' to force.
-export KISS_FORCE=0
-
-# Hook into kiss through a script.
-#
-# This can be used set custom CFLAGS per package, modify builds,
-# etc. This environment variable must point to a shellscript.
-#
-# The script will have the following environment variables set.
-#
-# $PKG:  Name of the current package .
-# $TYPE: The type of hook (valid: pre-build, post-build).
-# $DEST: The full path to where 'make install' will put the package.
-#
-# Simple example script:
-#
-# case $TYPE in
-#     pre-build)
-#         case $PKG in
-#            zlib) export CFLAGS="-Os -static" ;;
-#            curl) export CFLAGS="-O3" ;;
-#         esac
-#     ;;
-#
-#     post-build)
-#         : "${DEST:?DEST is unset}"
-#
-#         rm -rf "$DEST/usr/share/doc"
-#         rm -rf "$DEST/usr/share/gettext"
-#     ;;
-# esac
-#
-export KISS_HOOK=/path/to/script
-
-# Root directory.
-#
-# Where installed packages will go. You won't ever need
-# to touch this during normal usage.
-#
-# This can be used to have the package manager run in a "fake root".
-export KISS_ROOT=/
-
-# Keep build logs around for successful builds and not just failing
-# ones. Helpful when debugging.
-#
-# Set it to '1' to enable.
-export KISS_DEBUG=0
-
-# Force the usage of a different 'sudo' tool.
-#
-# Values: 'su', 'sudo', 'doas'
-export KISS_SU=
-
-# Use a reproducible cache naming scheme.
-#
-# The package manager builds packages inside 'build-$PID/' with '$PID'
-# being the package manager's process ID. This allows for multiple
-# builds to happen at once.
-#
-# You can override this and _know_ the location beforehand with the
-# below environment variable. 'KISS_PID=test' will build the package
-# in 'build-test'.
-#
-# Unset by default.
-export KISS_PID=
-
-
-#
-# non-package-manager related options.
-# These are listed for clarity.
-#
-
-
-# Cache directory location.
-export XDG_CACHE_HOME=$HOME/.cache/
-
-# Compiler.
-export CC=gcc
-export CXX=g++
-
-# AR.
-export AR=ar
-
-# NM.
-export NM=nm
-
-# RANLIB.
-export RANLIB=ranlib
-
-# Compiler flags.
-# Good value: CFLAGS/CXXFLAGS='-march=native -pipe -O2'
-export CFLAGS=
-export CXXFLAGS=
-
-# Linker flags.
-export LDFLAGS=
-
-# Make flags.
-# Good value: MAKEFLAGS='-j4' (number of cores).
-export MAKEFLAGS=
-
-# Ninja (Samurai) flags.
-# Good value: SAMUFLAGS='-j4' (number of cores).
-export SAMUFLAGS=
-
-# Cmake Generator.
-# Good value (Ninja):     export CMAKE_GENERATOR='Ninja'
-# Good value (Makefiles): export CMAKE_GENERATOR='Unix Makefiles'
-export CMAKE_GENERATOR=
-```
-
-## Alternatives system
-
-When a package with conflicts is installed the conflicting
-files will be added as "choices" to the alternatives system.
-
-Afterwards, running kiss a/kiss alternatives will list all of
-the choices you are able to make. Each line of output with this
-command is also usable directly as input.
-
-NOTE: To disable this functionality, set 'KISS_CHOICE=0'.
-
-Example usage:
-
-```sh
-# List alternatives.
--> kiss a
--> Alternatives:
-ncurses /usr/bin/clear
-ncurses /usr/bin/reset
-
-# Swap to ncurses 'clear'.
--> kiss a ncurses /usr/bin/clear
--> Swapping '/usr/bin/clear' from 'busybox' to 'ncurses'
-Password:
-
-# New listing (busybox clear was swapped out).
--> kiss a
--> Alternatives:
-busybox /usr/bin/clear
-ncurses /usr/bin/reset
-```
-
-Example usage (complex):
-
-```sh
--> kiss i sbase
-# More lines...
--> sbase Found conflict (/usr/bin/renice), adding choice
--> sbase Found conflict (/usr/bin/logger), adding choice
--> sbase Found conflict (/usr/bin/flock), adding choice
--> sbase Found conflict (/usr/bin/cal), adding choice
--> sbase Installing package incrementally
--> sbase Installed successfully
-
-# List alternatives.
--> kiss a
--> Alternatives:
-# More lines...
-sbase /usr/bin/uuencode
-sbase /usr/bin/wc
-sbase /usr/bin/which
-sbase /usr/bin/whoami
-sbase /usr/bin/xargs
-sbase /usr/bin/yes
-
-# Swapping in bulk (all of sbase).
-# The 'kiss a' command with '-' as an argument will read
-# from stdin and use each line as arguments to 'kiss a'.
-kiss a | grep ^sbase | kiss a -
-
-# New listing, sbase has replaced busybox utilities.
--> kiss a
--> Alternatives:
-# More lines...
-busybox /usr/bin/uuencode
-busybox /usr/bin/wc
-busybox /usr/bin/which
-busybox /usr/bin/whoami
-busybox /usr/bin/xargs
-busybox /usr/bin/yes
-```
-
 ## Extending the package manager
 
 The `contrib` directory contains a set of simple scripts to extend the package manager. These are just simple and stupid automations which parse the package format.