What is this red dot in index data?

I figured it out.

The character is a non breaking space.
U+00A0 : NO-BREAK SPACE [NBSP]

Instead of a normal space
U+0020 : SPACE [SP]

I used this tool to figure it out.
I copied the character and pasted it there and it prints out the unicode value of it.

Guess i will just remove those spaces and replace them with normal spaces.

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