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Ryan Davis authored
fixed some nullref errors with the new draw-zero-p functionality, assumed no if there was no x-axis on the chart. darcs-hash:20090413194700-ac9f3-f31a44c99f654967a96e8eafe9ede3a8d3108f39.gz
14d42560
fixed some nullref errors with the new draw-zero-p functionality, assumed no if there was no x-axis on the chart. darcs-hash:20090413194700-ac9f3-f31a44c99f654967a96e8eafe9ede3a8d3108f39.gz