CleverRaven/Cataclysm-DDA — pull request #9500 by mafagafogigante (2014-10-10 18:49:12+00:00)
Title: Simplified a checking.

std::isprint(char) returns true for the space character.

Therefore, if ch == ' ', then !std::isprint(ch) will be false and ch !=
' ' is useless.