28 lines
937 B
Diff
28 lines
937 B
Diff
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From 74f71ccf296c2b01e1a8455b4107b02316a7c7fb Mon Sep 17 00:00:00 2001
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From: Peter Zhang <zpregister@gmail.com>
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Date: Sat, 21 Mar 2020 00:38:14 +0100
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Subject: add a condition to avoid FrozenError
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nil.to_s in Ruby 2.7.0 now always return a frozen String ""
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a=nil.to_s
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a.gsub!(//,'')
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will raise a FrozenError (can't modify frozen String: "")
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---
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lib/wikicloth/wiki_buffer/var.rb | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/lib/wikicloth/wiki_buffer/var.rb b/lib/wikicloth/wiki_buffer/var.rb
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index 2e0f5d1..7a39527 100644
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--- a/lib/wikicloth/wiki_buffer/var.rb
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+++ b/lib/wikicloth/wiki_buffer/var.rb
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@@ -80,7 +80,7 @@ def to_html
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ret = @options[:link_handler].include_resource(key,key_options).to_s
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- ret.gsub!(/<!--(.|\s)*?-->/,"")
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+ ret.gsub!(/<!--(.|\s)*?-->/,"") unless ret.frozen?
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count = 0
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tag_attr = key_options.collect { |p|
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if p.instance_of?(Hash)
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