Fix error in xfid undo handling #779

	# Based on https://github.com/mvdan/github-actions-golang
	# Freshen this.

	on: [push, pull_request]
	name: edwood

	jobs:
	test:
	strategy:
	matrix:
	go-version: [1.19.x, 1.20.x]
	os: [ubuntu-latest, macos-latest, windows-latest]
	fail-fast: false
	runs-on: ${{ matrix.os }}
	env:
	GO111MODULE: on
	acmeshell: sh

	steps:
	- name: Install Go
	uses: actions/setup-go@v3
	with:
	go-version: ${{ matrix.go-version }}

	- name: Checkout code
	uses: actions/checkout@v3

	- name: Run Go tests
	run: go test -v -race -coverprofile coverage.txt -covermode atomic ./...

	- name: Build with duitdraw on non-windows systems
	if: matrix.os != 'windows-latest'
	run: go get -tags 'duitdraw mux9p' -t -v ./...

	- name: Run go vet
	run: go vet .

	- name: Install staticcheck and misspell
	run: \|
	go install honnef.co/go/tools/cmd/[email protected]
	go install github.com/client9/misspell/cmd/[email protected]
	working-directory: /
	shell: bash

	- name: Check if 'go get' modified go.mod file
	run: git diff --exit-code

	- name: Run staticcheck
	run: staticcheck -checks inherit,-U1000,-SA4003 ./...

	- name: Run misspell
	run: misspell -error .

	- name: Check gofmt
	run: diff -u <(echo -n) <(gofmt -d -s .)
	shell: bash

	- name: Upload coverage to codecov
	# codecov can't seem to combine reports from multiple OSes correctly
	if: matrix.os == 'ubuntu-latest'
	run: bash <(curl -s https://codecov.io/bash)

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