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-rw-r--r--NEWS5
-rw-r--r--lib/erb.rb4
-rw-r--r--test/erb/test_erb.rb8
3 files changed, 15 insertions, 2 deletions
diff --git a/NEWS b/NEWS
index 2458ddd4f4..7dfcf8da7d 100644
--- a/NEWS
+++ b/NEWS
@@ -88,6 +88,11 @@ with all sufficient information, see the ChangeLog file or Redmine
* New constants:
* RbConfig::LIMITS is added to provide the limits of C types.
+* ERB
+ * Carriage returns are changed to be trimmed properly if trim_mode is specified
+ and used. Duplicated newlines will be removed on Windows.
+ [Bug #5339] [Bug #11464]
+
=== Compatibility issues (excluding feature bug fixes)
* Net::HTTP
diff --git a/lib/erb.rb b/lib/erb.rb
index 6af69c94a7..182a42437f 100644
--- a/lib/erb.rb
+++ b/lib/erb.rb
@@ -389,7 +389,7 @@ class ERB
@trim_mode = trim_mode
@percent = percent
if @trim_mode == '>'
- @scan_reg = /(.*?)(%>\n|#{(stags + etags).join('|')}|\n|\z)/m
+ @scan_reg = /(.*?)(%>\r?\n|#{(stags + etags).join('|')}|\n|\z)/m
@scan_line = self.method(:trim_line1)
elsif @trim_mode == '<>'
@scan_reg = /(.*?)(%>\r?\n|#{(stags + etags).join('|')}|\n|\z)/m
@@ -441,7 +441,7 @@ class ERB
line.scan(@scan_reg) do |tokens|
tokens.each do |token|
next if token.empty?
- if token == "%>\n"
+ if token == "%>\n" || token == "%>\r\n"
yield('%>')
yield(:cr)
else
diff --git a/test/erb/test_erb.rb b/test/erb/test_erb.rb
index d2c6c9230f..10fb177f58 100644
--- a/test/erb/test_erb.rb
+++ b/test/erb/test_erb.rb
@@ -197,6 +197,14 @@ EOS
assert_equal(ans, erb.result)
end
+ def test_trim_line1_with_carriage_return
+ erb = @erb.new("<% 3.times do %>\r\nline\r\n<% end %>\r\n", nil, '>')
+ assert_equal("line\r\n" * 3, erb.result)
+
+ erb = @erb.new("<% 3.times do %>\r\nline\r\n<% end %>\r\n", nil, '%>')
+ assert_equal("line\r\n" * 3, erb.result)
+ end
+
def test_trim_line2_with_carriage_return
erb = @erb.new("<% 3.times do %>\r\nline\r\n<% end %>\r\n", nil, '<>')
assert_equal("line\r\n" * 3, erb.result)