docs: use "empty string" instead of "null string"
commit4e2cdacaad9473324807009b125907c76a7c7569
authorSteve Bennett <steveb@workware.net.au>
Thu, 25 Jun 2020 11:17:18 +0000 (25 21:17 +1000)
committerSteve Bennett <steveb@workware.net.au>
Thu, 25 Jun 2020 11:17:18 +0000 (25 21:17 +1000)
treec6fbb651d6017314817596976b1241aced4d3729
parent99b7ce979f72087be74b039aa988a4f25f3b6d27
docs: use "empty string" instead of "null string"

Avoid ambiguity re null characters

Signed-off-by: Steve Bennett <steveb@workware.net.au>
jim_tcl.txt