[OSM-talk] simplifying mapnik layout definition

[Tom Hughes]

In message <483C44E6.5070604 at arjam.net>
          "Robert (Jamie) Munro" <rjmunro at arjam.net> wrote:

> Here's some working code that simplifies the file:
> sed "s/(\[bridge] = 'yes' or \[bridge]='true')/isBridge/g" osm.xml
> 
> And the reverse:
> sed "s/isBridge/([bridge] = 'yes' or [bridge]='true')/g"

How is that "working code" exactly? What is isBridge and where is
it defined?

Tom

-- 
Tom Hughes (tom at compton.nu)
http://www.compton.nu/