Update to SCons 1.2.0.

third_party/scons/scons-local/SCons/Variables/BoolVariable.py

 """engine.SCons.Variables.BoolVariable
 
 This file defines the option type for SCons implementing true/false values.
 
 Usage example:
 
   opts = Variables()
   opts.Add(BoolVariable('embedded', 'build for an embedded system', 0))
   ...
   if env['embedded'] == 1:
@@ skipping 16 matching lines @@
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
 # KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
 # WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #
 
-__revision__ = "src/engine/SCons/Variables/BoolVariable.py 3603 2008/10/10 05:46:45 scons"
+__revision__ = "src/engine/SCons/Variables/BoolVariable.py 3842 2008/12/20 22:59:52 scons"
 
 __all__ = ['BoolVariable',]
 
 import string
 
 import SCons.Errors
 
 __true_strings  = ('y', 'yes', 'true', 't', '1', 'on' , 'all' )
 __false_strings = ('n', 'no', 'false', 'f', '0', 'off', 'none')
 
@@ skipping 28 matching lines @@
 
 def BoolVariable(key, help, default):
     """
     The input parameters describe a boolen option, thus they are
     returned with the correct converter and validator appended. The
     'help' text will by appended by '(yes|no) to show the valid
     valued. The result is usable for input to opts.Add().
     """
     return (key, '%s (yes|no)' % help, default,
             _validator, _text2bool)