:term and terminal color escape codes

To view a file containing terminal color escape codes (file was created
by redirecting the stdout and stderr into it), I tried the suggestions
at
https://vi.stackexchange.com/questions/485/can-vim-interpret-terminal-color-escape-codes
-- but there was no difference compared to just opening the file and not
doing any of the following:

1) Opening foo.txt and sourcing AnsiEscPlugin.vim
2) Opening foo.txt and sourcing ColorizerPlugin.vim
3) Starting vi and doing ":term less foo.txt"

Ubuntu 16.04, VIM version: 8.1.229, Colorscheme: ChocolateLiquor

So how can one view files with terminal color escape codes?

Thanks,



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