Version: vim 8.1
Problem: Latex objects like
\int, ^, \alpha, \beta, etc, all get replaced by
_ in tmux when using conceallevel=1,2.
Expected: correct concealment, as it happens in normal terminal, outside tmux. For example
\int gets replaced by integral sign.
Shell: zsh; new to it
Tried: I thought this was related to zsh somehow because the theme I was also got ruined in tmux; I tried a bunch of different themes, tried changing the font of termite to powerline supported ones, but got nothing.