transpose words and two float numbers

[Dan Jacobson]

An interesting case for transpose-sexps and transpose-words, and
text such as "(1.22 , 3.44)".
You put the cursor on the comma and invoke them and you get (1.3 ,
22.44), [seen in Text and C modes].  I wanted (3.44 , 1.22).  I
thought a float number was one sexp.  And how many sexps are in
3*1.2+3.4*a and does transpose-sexps treat it so?

Hmm, C-M-f stops at decimal points too...
Wait, I'll make you a deal.  If in Info's "Lists and Sexps" you take:
       Sexps typically include symbols, _numbers_, and string constants, as
       well as anything contained in parentheses, brackets or braces.
and add a policy statement about floating point numbers, I'll let it slide.
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