`insert', `insert-before-markers', `insert-buffer' or
`insert-buffer-substring', the extents in the string will be copied
back into the buffer (*note Insertion::). The extents in a string
`insert', `insert-before-markers', `insert-buffer' or
`insert-buffer-substring', the extents in the string will be copied
back into the buffer (*note Insertion::). The extents in a string