Dane Springmeyer 88ca6fca5d Followup to #1642, closes #1859 ... This change adds back the ability to throw out both empty strings and null values with the not equals statement like `[attr] != ''` Note: this does not mean null == '' because the needed compatibility fix only addresses the "not equals` operator to retain the historical usage of not matching nulls.		2013-05-31 13:23:59 -07:00
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mapnik	Followup to #1642, closes #1859	2013-05-31 13:23:59 -07:00
build.py	install svg/output headers if SVG_RENDERER is requested	2012-11-28 17:21:38 -08:00