New creates a text handler based on the input io.Writer `w`.

WithWrapper creates a copy the Handler `h`, with the attribute key-value separator string `attrSeparator`.

WithWrapper creates a copy the Handler `h`, with the key-value separator string `kvSeparator`.

WithWrapper creates a copy the Handler `h`, with the time format string `timeFmt`.

WithWhitespace creates a copy the Handler `h`, with the whitespace rune `whitespace`.

WithWrapper creates a copy the Handler `h`, with the left and right wrapper runes `leftWrapper` and `rightWrapper`.

ErrZeroBytes is raised when the `io.Writer` in the handler returns a zero-length of bytes written, when the `Write()` method is called.