People who say ambiguous equations should just have more symbols in them: what do you do about this?
In reply to @christianp
This thread brought to you by whystartat.xyz/wiki/Space_is_….
Summary of solutions offered:
* use a smaller dash for "negative" and longer for "minus"
* superscript dash for "negative"
* get really good at judging spacing by eye
* go big on column padding