diff options
Diffstat (limited to 'lib/jcode.rb')
| -rw-r--r-- | lib/jcode.rb | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/jcode.rb b/lib/jcode.rb index 1e8fd64518..e0a2a99fce 100644 --- a/lib/jcode.rb +++ b/lib/jcode.rb @@ -130,7 +130,8 @@ class String public def tr!(from, to) - return self.delete!(from) if to.length == 0 + return nil if from == "" + return self.delete!(from) if to == "" pattern = TrPatternCache[from] ||= /[#{_regex_quote(from)}]/ if from[0] == ?^ |