I just want to see how wide a codeblock is in a GitHub README/markdown.
On desktop it seems like 119 chars is the most before you get a scrollbar. 121 chars has a scrollbar but all the text is visible without scrolling.
80 chars:
12345678901234567890123456789012345678901234567890123456789012345678901234567890
100 chars:
1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890
119 chars:
12345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789
120 chars:
123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890
121 chars:
1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901
122 chars:
12345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012
180 chars:
123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890
Incidentally, you can set a tmux pane to a specific width (e.g. 119) with your tmux prefix (default Ctrl-B) followed by :resize-pane -x 119