From: Mark Schmatz <redmine@...>
Date: 2009-01-29T03:17:29+09:00
Subject: [ruby-core:21643] [Bug #1069] wrap method in REXML::Formatters has nil problem if no line break exists in string

Bug #1069: wrap method in REXML::Formatters has nil problem if no line break exists in string
http://redmine.ruby-lang.org/issues/show/1069

Author: Mark Schmatz
Status: Open, Priority: High
Reproducible Version: 1.8-head

In Ruby version 1.8.6 and 1.8.7 the following line of the wrap method of the REXML::Formatters class causes a bug when the place variable is nil:

  return string[0,place] + "\n" + wrap(string[place+1..-1], width)

This is very obvious. The place variable is nil if there is no space (' ') found one line above:

  place = string.rindex(' ', width) # Position in string with last ' ' before cutoff

For me, I fixed the bug with placing the following line in between:

  return string if place.nil?


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