Unfortunately +1 is neither an R5RS identifier.
identifier: (letter|special_initial) subsequent* | + | - | ...
special_initial: ! | $ | % | & | * | / | : | < | = | > | ? | ^ | _ | ~
"In general,
a sequence of letters, digits, and “extended alphabetic
characters” is
an identifier when it begins with a character that cannot begin a
representation of a number object.
In addition, +, -, and ... are
identifiers"
Han-Wen Nienhuys wrote:
Can you also voice this concern on the guile devel list?
I think the reason the function exists is that is slightly more
efficient. Feel free to define a +1 function and change lily to use
it.
On Thu, Dec 18, 2008 at 11:21 AM, Bertalan Fodor (LilyPondTool)
<address@hidden> wrote:
Hi,
I found that many places you use the procedure 1+. Besides that how
ridiculous I think is to have a function that spares a "space" (1+ instead
of (+ 1, the real concern is that it doesn't conform to R5RS. R5RS doesn't
allow identifiers to start with a number.
I know that GUILE allows it (I wonder why).
But my Scheme parser (Julie) is stricter then Guile in this sense, so it
won't be able to parse LilyPond-supported SCM files. I want to parse them.
Could you change the (1+ calls to (+ 1?
It's just a question about your opinion.
Bert
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