Fix a line matching problem in Abbrev.abbrev(words, "prefix").

* lib/abbrev.rb (Abbrev#abbrev): A fixed string prefix pattern
  should only match the beginning of each word, not the beginning
  of every line in it.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38027 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/abbrev.rb b/lib/abbrev.rb
index 1aae0e1fcf..443ab6d8f1 100644
--- a/lib/abbrev.rb
+++ b/lib/abbrev.rb
@@ -69,7 +69,7 @@ module Abbrev
     seen = Hash.new(0)
 
     if pattern.is_a?(String)
-      pattern = /^#{Regexp.quote(pattern)}/  # regard as a prefix
+      pattern = /\A#{Regexp.quote(pattern)}/  # regard as a prefix
     end
 
     words.each do |word|