bugfix: readline wrapper; bugfix: evaluation of type conversions

lib/impure/rdstdin.nim

@@ -34,4 +34,3 @@ else:
   # disable auto-complete: 
   discard readline.bind_key('\t'.ord, readline.abort) 
 
-

lib/wrappers/readline/history.nim

@@ -19,15 +19,11 @@
 #
 
 {.deadCodeElim: on.}
-when defined(windows): 
-  const 
-    historyDll = "history.dll"
-elif defined(macosx): 
-  const 
-    historyDll = "libhistory.dynlib"
-else: 
-  const 
-    historyDll = "libhistory.so.6(|.0)"
+
+import readline
+
+const 
+  historyDll = readlineDll
 
 import times, rltypedefs
 

lib/wrappers/readline/readline.nim

@@ -21,13 +21,14 @@
 {.deadCodeElim: on.}
 when defined(windows): 
   const 
-    readlineDll = "readline.dll"
+    readlineDll* = "readline.dll"
 elif defined(macosx): 
+  # Mac OS X ships with 'libedit'
   const 
-    readlineDll = "libreadline.dynlib"
+    readlineDll* = "libedit(.2|.1|).dylib"
 else: 
   const 
-    readlineDll = "libreadline.so.6(|.0)"
+    readlineDll* = "libreadline.so.6(|.0)"
 ##  mangle "'TCommandFunc'" TCommandFunc
 ##  mangle TvcpFunc TvcpFunc