There is no object operand because this function operates only on the current buffer. It returns the next address at which either kind of property changes. More precisely, it returns the position of the first such character. Otherwise, it returns nil . The optional fifth argument, object , specifies the string or buffer to scan.
Positions are relative to object .
The default for object is the current buffer. More precisely, it returns the position of the first such character. Otherwise, it returns nil . The optional fifth argument, object , specifies the string or buffer to scan. Positions are relative to object .