we have a constant, use it

Change-Id: I402f64fdab57508df20d4dffa7bdfdf9473d8b45
name things what they are

Change-Id: I13d0cb525f3ca22b1b9158b2ac20b8b59d645463
handle Narrow No-Break Space the same as No-Break Space, just in case

Change-Id: I08683ea7dc48f5ac91d56ee4de6c4e52d1c6f058
Revert "coverity#1038286 Logically dead code"

This reverts commit f5adf08aa3a9a176bd2ed5acd638148eb8da7c85.
and restore the intention of the original patch

Change-Id: I8187d425a12f8a96d9e29df244084f7045f448ea