clarify code #120

	# Deploy mkdocs using mike for the version found using CI/inject_version.sh

	name: mkdocs-mike-deploy

	# Controls when the workflow will run
	on:
	# Triggers the workflow on push or pull request events but only for the master branch
	push:
	branches: [master]

	# Allows you to run this workflow manually from the Actions tab
	workflow_dispatch:

	# A workflow run is made up of one or more jobs that can run sequentially or in parallel
	jobs:
	# This workflow contains a single job called "build"
	docs_deploy:
	# The type of runner that the job will run on
	runs-on: ubuntu-latest
	container: rikedyp/dtools
	# runs-on: ubuntu-latest

	# Steps represent a sequence of tasks that will be executed as part of the job
	steps:
	# Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
	- uses: actions/checkout@v2

	# Inject version and document revision information into docs/ source
	# Build and deploy docs site and pdf
	- name: docs-deploy
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	run: \|
	VER=$( CI/inject_version.sh )
	MAJMIN=$(echo ${VER} \| grep -o '[0-9]\+\.[0-9]\+')
	git config user.name "GitHub Actions CI Publisher"
	git config user.email "DyalogGithubActions@github.com"
	git fetch origin gh-pages --depth=1

	mike deploy ${MAJMIN}
	mike alias --update-aliases --push ${MAJMIN} dev

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