Improve comments

internal/util/util.go

@@ -25,7 +25,7 @@ var (
 
 	// Version is the version number or commit hash
 	Version = "0.0.0-unknown"
-	// Semantic version
+	// SemVersion is the Semantic version
 	SemVersion semver.Version
 	// CommitHash is the commit this version was built on
 	CommitHash = "Unknown"
@@ -421,14 +421,17 @@ func Clamp(val, min, max int) int {
 	return val
 }
 
+// IsNonAlphaNumeric returns if the rune is not a number of letter or underscore.
 func IsNonAlphaNumeric(c rune) bool {
 	return !unicode.IsLetter(c) && !unicode.IsNumber(c) && c != '_'
 }
 
+// IsAutocomplete returns whether a character should begin an autocompletion.
 func IsAutocomplete(c rune) bool {
 	return c == '.' || !IsNonAlphaNumeric(c)
 }
 
+// ParseSpecial replaces escaped ts with '\t'.
 func ParseSpecial(s string) string {
 	return strings.ReplaceAll(s, "\\t", "\t")
 }