Add a url-escaped function.
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Changes in libmojave/stdlib:
+40 -0 lm_string_util.ml
+1 -0 lm_string_util.mli
A hyperlinked version of this commit is available at
http://svn.metaprl.org/commitlogs/libmojave/2008-06.html#08/06/06.21:02:33