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

diff --git a/src/location.nit b/src/location.nit
index 1a27697..0c5b55d 100644
--- a/src/location.nit
+++ b/src/location.nit
@@ -35,14 +35,17 @@ class SourceFile
 	end
 
 	# Create a new sourcefile using a dummy filename and a given content
-	init from_string(filename: String, string: String)
+	init from_string(filename: String, string: String) is
+		nosuper
 	do
 		self.filename = filename
 		self.string = string
 		line_starts[0] = 0
 	end
 
-	# Position of each line start
+	# Offset of each line start in the content `string`.
+	#
+	# Used for fast access to each line when rendering parts of the `string`.
 	var line_starts = new Array[Int]
 end
 
@@ -97,7 +100,9 @@ class Location
 	# loc = new Location.from_string("location.nit:82--105,8")
 	# assert loc.to_s == "location.nit:82,0--105,8"
 	# ~~~
-	init from_string(string: String) do
+	init from_string(string: String) is
+		nosuper
+	do
 		self.line_start = 0
 		self.line_end = 0
 		self.column_start = 0
@@ -241,7 +246,7 @@ class Location
 	# * `"0;32"` for green
 	fun colored_line(color: String): String
 	do
-		var esc = 27.ascii
+		var esc = 27.code_point
 		var def = "{esc}[0m"
 		var col = "{esc}[{color}m"