expanding implemented

[CleanReadLine.git] / ReadLine.dcl

diff --git a/ReadLine.dcl b/ReadLine.dcl
index 30d3f4d..e93bbc1 100644 (file)
--- a/ReadLine.dcl
+++ b/ReadLine.dcl
@@ -62,6 +62,6 @@ historyTruncateFile :: !String !Int !*env -> (!Bool, !*env)
 
 //History Expansion
 historyExpand :: !String !*env -> (!String, !Int, !*env)
-getHistoryEvent :: !String !Int !Int !*env -> (!String, !*env)
+getHistoryEvent :: !String !Int !Int !*env -> (!Maybe String, !Int, !*env)
 historyTokenize :: !String !*env -> ([String], !*env)
-historyArgExtract :: !Int !Int !String !*env -> (!String, !*env)
+historyArgExtract :: !Int !Int !String !*env -> (!Maybe String, !*env)