In 4.2 final
Searching with the regular expressions
\b. or \<. jumps to the beginning of a word, unless the
cursor is already in a word, in which case it finds the
next character within the word.
This makes it impossible to replace characters only at
the beginning of a word.
replace with BeanShell snippet
should force the first character of every word to be
lower case. However, it actually forces *every*
character of every word to be lower case.