[e-lang] Convert Walnut to MediaWiki

[James Graves]

Martin Scheffler wrote:

> Done, but the Wiki wants to change all my double quotes to "
> I used single quotes, hope that's OK.
> <nowiki>pragma.syntax('0.9')</nowiki>

Unfortunately, that won't work.  Single quotes are for character 
constants.  Double quotes are for strings.  The &quote; is the standard 
HTML escape for double quotes.

James