Code macro strips Chinese characters on PDF Export

Problem

Code macro strips Chinese characters on PDF Export

Environment

• Confluence Server/DC

Steps to Reproduce

1. Create a test page
2. Copy the below storage format as the page content

   <p>PDF下载测试</p><ac:structured-macro ac:name="code" ac:schema-version="1" ac:macro-id="f4cf1880-afa5-4fc2-a9e2-c3c6c2cb655c"><ac:parameter ac:name="language">sql</ac:parameter><ac:parameter ac:name="title">Test code macro</ac:parameter><ac:plain-text-body><![CDATA[# 测试confluence user表
   SELECT * FROM cwd_user;]]></ac:plain-text-body></ac:structured-macro>
   <p><br /></p>
   

3. Install the font to support Chinese lanage PDF export (tested with arialuni.ttc)
   • https://confluence.atlassian.com/doc/create-a-pdf-in-another-language-175473.html
4. Export the page to PDF

Expected Results

Chinese characters in code macro displayed

Actual Results

Chinese characters trimmed

Workaround

Add the below line to the PDF stylesheet to specify the font that supports Chinese

.code pre, .preformatted pre {
    font-family:ConfluenceInstalledFont, Arial;
}