run tests automatically and update dependencies (#12)

This change:

* configures dependabot to automatically notify when dependencies are updated,
* updates dependencies to current versions
* configures GitHub to automatically run tests for each PR

.github/dependabot.yml

@@ -0,0 +1,10 @@
+version: 2
+updates:
+- package-ecosystem: gomod
+  directory: /
+  schedule:
+    interval: weekly
+- package-ecosystem: github-actions
+  directory: /
+  schedule:
+    interval: weekly

.github/workflows/go.yml

@@ -0,0 +1,25 @@
+name: Go
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Set up Go
+      uses: actions/setup-go@v2
+      with:
+        go-version: 1.16
+
+    - name: Build
+      run: go build -v ./...
+
+    - name: Test
+      run: go test -v ./...

Readme

@@ -1,3 +1,3 @@
 This is a Go package for manipulating paragraphs of text.
 
-See https://godoc.org/github.com/kr/text for full documentation.
+See https://pkg.go.dev/github.com/kr/text for full documentation.

colwriter/column.go

@@ -16,7 +16,7 @@ const (
 )
 
 const (
-	// Print each input line ending in a colon ':' separately.
+	// BreakOnColon Print each input line ending in a colon ':' separately.
 	BreakOnColon uint = 1 << iota
 )
 

go.mod

@@ -1,3 +1,5 @@
-module "github.com/kr/text"
+module github.com/kr/text
 
-require "github.com/creack/pty" v1.1.9
+go 1.12
+
+require github.com/creack/pty v1.1.14

go.sum

@@ -0,0 +1,2 @@
+github.com/creack/pty v1.1.14 h1:55VbUWoBxE1iTAh3B6JztD6xyQ06CvW/31oD6rYwrtY=
+github.com/creack/pty v1.1.14/go.mod h1:MOBLtS5ELjhRRrroQr9kyvTxUAFNvYEK993ew/Vr4O4=