Add cl-parse-integer based on parse-integer

* doc/misc/cl.texi (Predicates on Numbers): Document cl-digit-char-p.
(Numerical Functions): Document cl-parse-integer. 

* lisp/calendar/parse-time.el (parse-time-digits): Remove.
(digit-char-p, parse-integer) Moved to cl-lib.el.
(parse-time-tokenize, parse-time-rules, parse-time-string): Use
cl-parse-integer.

* lisp/emacs-lisp/cl-extra.el (cl-parse-integer): New function.

* lisp/emacs-lisp/cl-lib.el (cl-digit-char-table): New var.
(cl-digit-char-p): New function.

* test/automated/cl-lib.el (cl-digit-char-p, cl-parse-integer): New
tests.

Fixes: debbugs:18557

1 files changed, 5 insertions, 0 deletions

diff --git a/doc/misc/ChangeLog b/doc/misc/ChangeLog
index 2963bde04e1..a7244f12aba 100644
--- a/doc/misc/ChangeLog
+++ b/doc/misc/ChangeLog
@@ -1,3 +1,8 @@
+2014-09-26  Leo Liu  <sdl.web@gmail.com>
+
+        * cl.texi (Predicates on Numbers): Document cl-digit-char-p.
+        (Numerical Functions): Document cl-parse-integer.  (Bug#18557)
+
 2014-09-24  Ulf Jasper  <ulf.jasper@web.de>
 
         * newsticker.texi: Reworked.  Document new treeview group