updated for version 7.4.602

Problem:    ":set" does not accept hex numbers as documented.
Solution:   Use vim_str2nr(). (ZyX)

runtime/doc/options.txt

@@ -59,9 +59,7 @@ achieve special effects.  These options come in three forms:
 :se[t] {option}:{value}
 			Set string or number option to {value}.
 			For numeric options the value can be given in decimal,
-			hex (preceded with 0x) or octal (preceded with '0')
-			(hex and octal are only available for machines which
-			have the strtol() function).
+ 			hex (preceded with 0x) or octal (preceded with '0').
 			The old value can be inserted by typing 'wildchar' (by
 			default this is a <Tab> or CTRL-E if 'compatible' is
 			set).  See |cmdline-completion|.