Ecma-48 proposed styling controls update updated & math expression representation proposal update

[Sławomir Osipiuk]

On Friday, 12 January 2024, 17:08:19 (-05:00), Doug Ewell via Unicode 
wrote:
 >
 > That question was semi-rhetorical, and was for Marius, who again will 
need to respond. I thought he was talking about the human user trying to 
select text to be copied, and inadvertently failing to select a starting or 
ending ECMA-48 sequence because they are not human-visible.

If the terminal is respecting ECMA-48 styling then "selecting" and 
"copying" should be performed in some sane enforced manner that doesn't 
result in orphaned or mismatched styling control codes.

 >
 > Wait: are we saying that ECMA-48 sequences like CSI 31m are plain text, 
or that they are not?

IMO they're very much not, but I expect some will disagree with that.