handle PSO font characters properly

tests/custom-sjis.test.sh

@@ -0,0 +1,20 @@
+#!/bin/sh
+
+set -e
+
+SCHEME=$1
+
+EXECUTABLE="$2"
+if [ "$EXECUTABLE" == "" ]; then
+  EXECUTABLE="./newserv"
+fi
+
+echo "... decode-sjis"
+$EXECUTABLE decode-sjis tests/custom-sjis.txt tests/custom-sjis.utf8.txt
+echo "... encode-sjis"
+$EXECUTABLE encode-sjis tests/custom-sjis.utf8.txt tests/custom-sjis.recoded.txt
+
+diff tests/custom-sjis.txt tests/custom-sjis.recoded.txt
+
+echo "... clean up"
+rm tests/custom-sjis.utf8.txt tests/custom-sjis.recoded.txt

tests/custom-sjis.txt

@@ -0,0 +1,2 @@
+These are all the custom characters: ð@ðAðBðCðDðEðFðGðHðIðJðKðLðMðNðOðPðQðRðSðTðUðVðWðXðYðZð[ð\ð]ð^ð_ð`ðaðbðcðd
+That's all of them.