tests/test-1102

help: remove per-extension paragraph on how to enable it

The central place to find this information is the "extensions" help topic.

#!/bin/sh

rm -rf a
hg init a
cd a
echo a > a
hg ci -Am0
hg tag t1 # 1
hg tag --remove t1 # 2

hg co 1
hg tag -r0 t1
hg tags