Issue Summary

Insert markup content is broken when adding special characters 

Environment

Confluence 6.15.6

Steps to Reproduce

1. Create new Confluence page
2. Add insert markup macro, choose Confluence wiki type
3. Include following test-cases in the macro body:

1) https protocol and path containing normal characters

 
[https://test/a]

2) https protocol and path containing special characters

 
[https://test/ä]

3) ftp and path containing normal characters

 
[ftp://test/a]

4)
ftp and path containing special characters

 
[ftp://test/ä]
 

5) any other custom protocol name and path containing normal characters

 
[random_protocol://test/a]

5) any other custom protocol nam and path containing special characters

 
[random_protocol://test/ä]

Expected Results

All components are correctly rendered in the preview

Actual Results

Following test cases are not rendered correctly:

[ftp://test/ä]
[random_protocol://test/a]
[random_protocol://test/ä]

Workaround

Required, if there is no workaround please state:
Currently there is no known workaround for this behavior. A workaround will be added here when available