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Regarding the two variables: $term is a variable from the environment. When you are on the terminal (without opening Vim), echo $term should echo the same as :echo $term from inside Vim. (I'm a little bit surprised that it is not upper case, like $TERM.) &term represents the option term (see :h 'term'). So the output from :echo &term is the same as ...


2

In modern vim/neovim there is :h g:terminal_ansi_colors (vim) or 16 of g:terminal_color_0 .. g:terminal_color_15 (neovim). If you open gruvbox colorscheme you use, you will find those definitions there (most probably). Basically: your whatever terminal can have palette of base 16 colors defined (there are defaults for each type of terminal, but you can ...


2

In GVim, you can control the 16 ANSI colors used by your terminal with the g:terminal_ansi_colors variable. See :help g:terminal_ansi_colors: In GUI mode or with 'termguicolors', the 16 ANSI colors used by default in new terminal windows may be configured using the variable g:terminal_ansi_colors, which should be a list of 16 color names or ...


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