Final polish

Signed-off-by: jolheiser <john.olheiser@gmail.com>

.woodpecker.yml

@@ -0,0 +1,9 @@
+pipeline:
+  compliance:
+    image: golang/1.17
+    commands:
+      - go test -race ./...
+      - go vet ./...
+      - go build go.jolheiser.com/emdbed/cmd/emdbed
+    when:
+      event: pull_request

emdbed.go

@@ -36,7 +36,7 @@ func Convert(dir string, file io.Reader) (string, error) {
 	starts := start.FindAllStringSubmatchIndex(contents, -1)
 	ends := end.FindAllStringIndex(contents, -1)
 	if len(starts) != len(ends) {
-		return "", fmt.Errorf("starts (%d) != ends (%d)", len(starts), len(ends))
+		return "", fmt.Errorf("start selectors (%d) != end selectors (%d)", len(starts), len(ends))
 	}
 	var last int
 	for idx, start := range starts {

emdbed_example_test.go

@@ -22,6 +22,7 @@ func Example() {
 	//func main() {
 	//	fmt.Println("Hello, world!")
 	//}
+	//
 	// ```
 	//<!-- /emdbed -->
 }