Tim Schaub 3c993168c4 Cast to numbers for literals ...

There are times when we parse from XML without a schema (e.g. KML).  In these cases, features attributes will always be strings.  We can cast to number when creating literals from symbolizers and then assert `!isNaN` instead of asserting that they are numbers before.

2013-08-23 17:30:24 -04:00

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Cast to numbers for literals

2013-08-23 17:30:24 -04:00