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Showing content from https://github.com/vuejs/vue/issues/3895 below:

Issue with rendering certain Unicode characters · Issue #3895 · vuejs/vue · GitHub

2.0.1

http://jsfiddle.net/wmmw143f/1/

Run the JSFiddle above and you will see the content isn't displayed and errors in the console.

I would expect the app to run regardless of the Unicode characters, without errors.

[Vue warn]: failed to compile template:

<div id="app">
  This is user-generated content, and unfortunately includes the Unicode character 2028 right here: 
.
</div>

 (found in root instance)
[Vue warn]: Error when rendering root instance: 
Uncaught TypeError: Cannot set property 'isStatic' of undefined

I'm not sure if this is the right place for this or not, but I'm of the feeling this is a bug with Vue. I'll also point out that I'm not that knowledgable about character encodings, but here is the information I have.

We have been testing the Vue 2.0 upgrade on our website which has a lot of user-generated content. It appears that some of our user-generated contains uncommon Unicode characters like U+2028 Line Separator. These appear invisible by standard.

However, when they appear in the content of a Vue 2.0 page, Vue fails completely and then removes it's entire DOM node from the tree, leaving the page bare.

Here is a JSFiddle that demonstrates the issue. You'll notice that JSFiddle highlights the Unicode character in question. When you remove that character, the app runs correctly.

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HTML: 3.2 | Encoding: UTF-8 | Version: 0.7.4