X-Git-Url: http://nitlanguage.org

diff --git a/lib/saxophonit/lexer.nit b/lib/saxophonit/lexer.nit
index 4f77ab8..f95e5e3 100644
--- a/lib/saxophonit/lexer.nit
+++ b/lib/saxophonit/lexer.nit
@@ -20,8 +20,14 @@ import reader_model
 # They both foward the cursor to the next byte on success, but only `expect`
 # functions fire a fatal error on mismatch.
 class XophonLexer
+
+	# The model.
 	var reader_model: XophonReaderModel
-	var input: IStream is writable
+
+	# The input to read from.
+	var input: Reader is writable
+
+	# Alias to `reader_model.locator`.
 	private var locator: SAXLocatorImpl is noinit
 
 	init do
@@ -344,7 +350,7 @@ class XophonLexer
 	# match `expected`.
 	fun expect_string(expected: String, context: String): Bool do
 		var chars = expected.chars
-		var i: Int = 0
+		var i = 0
 
 		while i < chars.length do
 			if not accept(chars[i]) then