-*- mode: outline; outline-regexp: "\t*[*]+"; tab-width: 8 -*-

* spec of function "bury-buffer" called by "mode-line-bury-buffer"

	* example 1

		current-buffer
		  |
		  V
		("A" "B" "C" "D" "E")	: (buffer-name of) buffer-list

			 |
			 | bury-buffer <f>
			 V
		
		("B" "C" "D" "E" "A")

	* example 2

		("A")

			 |
			 | bury-buffer <f>
			 V
		
		("*scratch*" "A")	: "*scratch*" is made

	* example 3

				not displayed yet
				   |
				   V
		("A" "*scratch*" "*Messages*")

			 |
			 | bury-buffer <f>
			 V
		
		("*scratch*" "*Messages*" "A")

			 |
			 | bury-buffer <f>
			 V

		("A" "*Messages*" "*scratch*")	: "*Messages*" isn't displayed

* spec of original function "mode-line-unbury-buffer"

	* example 1

		("A" "B" "C" "D" "E")

			 |
			 | mode-line-unbury-buffer <f>
			 V
		
		("E" "A" "B" "C" "D")

	* example 2

		("A")

			 |
			 | mode-line-unbury-buffer <f>
			 V
		
		("A")			: "*scratch*" isn't made

	* example 3

				not displayed yet
				   |
				   V
		("A" "*scratch*" "*Messages*")

			 |
			 | mode-line-unbury-buffer <f>
			 V
		
		("*Messages*" "A" "*scratch*")	: "*Messages*" is displayed

			 |
			 | mode-line-unbury-buffer <f>
			 V

		("*scratch*" "*Messages*" "A")

* spec of fixed function "mode-line-unbury-buffer"

	* example 1

		("A" "B" "C" "D" "E")

			 |
			 | mode-line-unbury-buffer <f>
			 V
		
		("E" "A" "B" "C" "D")

	* example 2

		("A")

			 |
			 | mode-line-unbury-buffer <f>
			 V
		
		("*scratch*" "A")	: "*scratch*" is made

	* example 3

				not displayed yet
				   |
				   V
		("A" "*scratch*" "*Messages*")

			 |
			 | mode-line-unbury-buffer <f>
			 V
		
		("*scratch*" "A" "*Messages*")

			 |
			 | mode-line-unbury-buffer <f>
			 V

		("A" "*scratch*" "*Messages*")	: "*Messages*" isn't displayed