* Version 4.5.2.
+ Factor nanosleep-related code into ../lib/xnanosleep.c.
+ * src/sleep.c: Include xnanosleep.h.
+ Factor out fenv.h-related code.
+ (timespec_subtract): Remove function.
+ (main): Remove code that deals with computing start and stop times
+ as well as the loop around nanosleep. Now that's in xnanosleep.c.
+
+ Allow S (in --sleep-interval=S) to be a floating point value.
* src/tail.c: Include xnanosleep.h and xstrtod.h.
Move declaration of global variable, sleep_interval, to ...
(main): ...here.
+[4.5.2]
+* tail now accepts fractional seconds for its --sleep-interval=S (-s) option
[4.5.1]
* du and ls now report sizes of symbolic links (before they'd always report 0)
* uniq now obeys the LC_COLLATE locale, as per POSIX 1003.1-2001 TC1.