Stop saving undo stack.
Stop saving undo stack.

codeforamerica/streetmix,magul/streetmix,CodeForBrazil/streetmix,kodujdlapolski/streetmix,CodeForBrazil/streetmix,macGRID-SRN/streetmix,kodujdlapolski/streetmix,codeforamerica/streetmix,CodeForBrazil/streetmix,magul/streetmix,codeforamerica/streetmix,magul/streetmix,macGRID-SRN/streetmix,macGRID-SRN/streetmix,kodujdlapolski/streetmix