Disable line wrapping with the max_print_line environment variable #52
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Set max_print_line environment variable to 2^31-1 in order to effectively disable line wrapping instead of unwrapping it on our own, which is highly fragile. TeX should never output 2 GiB of logs. We hope.
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Tested on TeX Live 2017. Should also work on several older versions.
My initial motivation for this change is that I happened to run into a nasty issue where TeX's line-wrapping of diagnostics caused
!to appear at the beginning of the line, whichlatexrunthen misinterpreted as an error message.