Sun Mar 21  2004  T Horinouchi
	* version 1.2 released ((cvs) tag: numru-units-1_2)
Fri Mar 19  2004  T Horinouchi
	* mulnode.rb: MutiNode#value: to return 1 if @children.size == 0
	* dcunits.txt: added degC
	* lex.rb: convert2: warn if $VERBOSE --> warn regardress $VERBOSE
Mon Mar  1  2004  T Horinouchi
	* version 1.1 released ((cvs) tag: numru-units-1_1)
Mon Mar  1  2004  E Toyoda
	* test.rb: revised due to the change of reduce4; updated
	* timenode.rb debugged (Unexpected generation of Float by Date#-
	  is avoided using Date-like wrapper to Time.)
	* node.rb: unalias (such as "kilometer" -> "10^3 m") will not
	  occur at reduce4. (plurals still recognized in reduce4)
	* namenode.rb,numbernode.rb: unused methods "nameable?" removed
	* makeutab.rb: Bugfix: units like "second" or "metre" were not
	  unaliased to its primary name (such as "s" or "m") due to
	  improper parsing of dcunits.txt.
Sun Feb 29  2004  E Toyoda (Commited by T Horinouchi)
	* makeutab.rb: debug plural treatment (/y$/ -> /[^aeou]y$/)
Fri Feb 27  2004  T Horinouchi
	* src/lex.rb: added Units#convert2 (similar to Units#convert but
	  more suitable for UNumeric constraction).
	  debug in =~
	* test.rb: added a test of =~
Thu Feb 26  2004  T Horinouchi
	* src/lex.rb: added Units#factor_and_offset
	* doc/units.rd: updated
Wed Feb 25  2004  T Horinouchi
	* src/Makefile: add -l option to racc -- not to convert line #s
	  for better readability of exception messages
	* Makefile: (very minor) cp --> cp -p
Tue Feb 24  2004  T Horinouchi
	* version 1.0 released
	* packaging for distribution
	* put Units into the NumRu module ( --> class NumRu::Units )
	* cvs version control started (CVSROOT=
	  dennou-k.gfd-dennou.org:/GFD_Dennou_Club/ftp/arch/ruby/cvsroot
	  project name: numru-units)
Fri Feb  6  2004  TOYODA Eizi (log written by T Horinouchi 2004/03/24)
	* revised
Fri Nov  7  2003  TOYODA Eizi (log written by T Horinouchi 2004/03/24)
	* revized
Fri Oct 24  2003(or before) TOYODA Eizi(log written by T Horinouchi 2004/03/24)
	* created
