This question already has an answer here:
- How can I get a ruler at column 80? 7 answers
Since fill-column-indicator is no longer actively maintained, how can I visualize the
The fill-column-indicator package was quite heavy and had compatibility issues with other packages.
- Enable line highlighting
hl-line-modeonly highlighting up until the
- Display a character on the current line at the
... maybe others options I'm unaware of.
Noting these since I've seen them posted as answers to similar questions.
Displaying a marker on the mode-line:
Too far away from the current line to be useful.
Using whitespace mode to highlight text beyond the fill column.
While better than nothing. I'd like to be able to see this limit while typing (before I exceed it).
Only highlights columns that contains text, again, no way to see the column indicator before you reach it.