RFC: Don't strip whitespace from submissions

[quantum5]

This could be beneficial to TEXT submissions and would have been useful for certain languages that required line numbers to be indented and aligned. However, this is a significant behaviour change and deserves some scrutiny.

[codecov-commenter]

Codecov Report

Merging #1883 (017503f) into master (0a8e3cf) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master    #1883   +/-   ##
=======================================
  Coverage   46.24%   46.24%           
=======================================
  Files         231      231           
  Lines       13054    13054           
=======================================
  Hits         6037     6037           
  Misses       7017     7017           

Impacted Files	Coverage Δ
judge/forms.py	44.32% <100.00%> (ø)

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[Riolku]

Maybe a silly suggestion, but could we fix a smaller issue and only not strip the trailing NL?

[quantum5]

Maybe a silly suggestion, but could we fix a smaller issue and only not strip the trailing NL?

No. You don't want COBOL users to fail to compile if they insist on writing old style with the line numbers, do you?

[kiritofeng]

Are there any problems that rely on this old behaviour? There are some problems with custom graders where we've had to override the behaviour of TEXT so that it includes the trailing newline, but I can't think of any were we want this current behaviour.