Without this plugin, WordPress truncates anything after the first 4-bytes-long UTF-8 character..
You see everything is fine, so you hit save.
As soon as the page is reloaded, you find out that your post has been truncated at point that seems to be quite random.
The breaking point is the position of the first 4-bytes-long UTF-8 character..
Anything from that one up to the end of the post is lost forever..
You need to install this plugin if you write 4-bytes-long UTF-8 characters..
If you get Unicode hexadecimal value with more than four digits after 0x then it's UTF-8 character..
For example, G-clef is one because 0x1D11E has 5 digits after 0x. 1.
Drop-ins are advanced plugins in the directory that replace WordPress functionality when present. 1.
You are not supposed to do anything special to make it work after activating it..
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