[R] Latex \ell symbol in plotmath

[Alberto Monteiro]

Prof Brian Ripley wrote:
> 
> It is Unicode character U+2113, and so on UTF-8 R systems you may 
> well be able to enter it as \u2113 and get it plotted on-screen in a 
> suitable font.  But we'd need to know a lot more about your system 
> to advise on how exactly to do so.
> 
I must be sleeping, but I can't think about a program that lists
"all" Unicode characters. A stupid and dirty solution would be:

cat("u 31 = \u31\n")
cat("u 32 = \u32\n")
...

How can I vectorize this?

Alberto Monteiro