Found a repeatable crash on very long lines returned by executing a program through Build feature.
The particular case where I found it returned ~6mb of text data; if it was separated by newlines then everything was great, the results were copyable out of the build results window, everything worked quickly. But if the same results are w/o newlines (i.e., a single line of 6m characters), then SublimeText crashes after program finishes to execute and needs to be force-quit.
2181 beta of SublimeText; latest macos Lion.
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