Unicode.GraphemeClusterBreak.grapheme_break
You're seeing just the function
grapheme_break, go back to Unicode.GraphemeClusterBreak module for more information.
Returns the grapheme cluster break name(s) for the given binary or codepoint.
In the case of a codepoint, a single grapheme cluster break name is returned.
For a binary a list of distinct grapheme cluster break names represented by the graphemes in the binary is returned.