Pre commands inherit stderr from main process #272
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This has two main benefits: 1) Errors during preprocessing are now visible (not on the slides themselves but back on the console after exiting), which helps with debugging. 2) Subprocesses are able to do fine-grained formatting, as terminfo commands now work properly. For example, `tput cols` and `tput lines` now return the correct terminal size instead of the defalt 80x24.
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This has two main benefits:
themselves but back on the console after exiting), which helps with
debugging.
commands now work properly. For example,
tput colsandtput linesnow return the correct terminal size instead of the defalt 80x24.