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-rw-r--r--lib/rdoc/erb_partial.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/rdoc/erb_partial.rb b/lib/rdoc/erb_partial.rb
index 8dc2c46013..d6e3f41b7e 100644
--- a/lib/rdoc/erb_partial.rb
+++ b/lib/rdoc/erb_partial.rb
@@ -12,7 +12,7 @@ class RDoc::ERBPartial < ERB
def set_eoutvar compiler, eoutvar = '_erbout'
super
- compiler.pre_cmd = ["#{eoutvar} ||= ''"]
+ compiler.pre_cmd = ["#{eoutvar} ||= +''"]
end
end