rurema/doctree — pull request #51 by monkey-mas (2013-09-05 04:34:32+00:00)
Title: Add information to Float

The current reference manual does not clearly say that Float() can take a hexadecimal number as an argument.
According to https://github.com/ruby/ruby/tree/v1_9_2_381, Float() has supported hexadecimal floating point format since Ruby 1.9.2.