Speicfy input values for run-length encoding to fix exercism#238

robkeim · robkeim · commit 9ee0ed1ce659 · 2017-02-01T00:27:19.000+01:00
diff --git a/exercises/run-length-encoding/description.md b/exercises/run-length-encoding/description.md
@@ -13,3 +13,6 @@ the compressed data, which makes it a lossless data compression.
 ```
 "AABCCCDEEEE"  ->  "2AB3CD4E"  ->  "AABCCCDEEEE"
 ```
+
+For simplicity, you can assume that the unencoded string will only contain
+the letters A through Z.
