Issue #6740 has been reported by no6v (Nobuhiro IMAI). ---------------------------------------- Bug #6740: [readline] RDoc for basic_word_break_characters https://bugs.ruby-lang.org/issues/6740 Author: no6v (Nobuhiro IMAI) Status: Open Priority: Normal Assignee: Category: DOC Target version: ruby -v: ruby 2.0.0dev (2012-07-15 trunk 36395) [x86_64-linux] Default characters of basic_word_break_characters include a space (" "). http://git.savannah.gnu.org/cgit/bash.git/tree/lib/readline/complete.c#n261 -- http://bugs.ruby-lang.org/