Prevent users from setting JOBSERIAL and from setting variables with invalid names.

[whenjobs.git] / lib / whenutils.mli

diff --git a/lib/whenutils.mli b/lib/whenutils.mli
index f0fb306..73d5084 100644 (file)
--- a/lib/whenutils.mli
+++ b/lib/whenutils.mli
@@ -117,6 +117,10 @@ end
 val (//) : string -> string -> string
 (** [dir // file] concatenates directory and file. *)
 
+val isalpha : char -> bool
+val isalnum : char -> bool
+(** Character tests. *)
+
 val filter_map : ('a -> 'b option) -> 'a list -> 'b list
 (** Filter + map. *)