For two states:
* for being executed (beware, it is ***important***)
It does lend importance, but that's also the line continuation marker for
"comment". Would that be a problem?
Argh. Indeed, even if people seldom type C comments in psql interactive
mode...
Remaining ASCII characters I can thing of, hopefully avoiding already used
ones: +%,@$\`|&:;_
So, maybe consider these ones:
"+" for it is "on"
"`" which is a "sub-shell execution"
"&" for "and the next command is ..."
/ for not (under the hood, and it is opposed to *)
+1, I was going to suggest '/' for a false state, with two possible
metaphors to justify it
1. the slash in a "no" sign ("no smoking", ghostbusters, etc)
2. the leading char of a c/java/javascript comment (what is written here
is just words, not code)
Great.
--
Fabien.
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