all: Run modernize -fix ./...

parser/pageparser/pagelexer_intro.go

@@ -123,7 +123,7 @@ LOOP:
 
 // Handle YAML or TOML front matter.
 func (l *pageLexer) lexFrontMatterSection(tp ItemType, delimr rune, name string, delim []byte) stateFunc {
-	for i := 0; i < 2; i++ {
+	for range 2 {
 		if r := l.next(); r != delimr {
 			return l.errorf("invalid %s delimiter", name)
 		}