xterm-info bash function script

[BrianInglis]

xterm-info.bash.txt suffix .txt for xterm-info bash function script because of GH limitations; CSI escape sequence in third column generates reply, if any, in fourth and last column, listed with cat -A, interpreted in second column with values or codes, or display units followed by x column position or size followed by y row:

xterm-info - type, display screen, xterm window, and text position and size info
	type features   VT420wpSeNThcrl	^[[c            ^[[?64;1;2;4;6;9;15;21;22;28;29c$
	type version    mintty v3.5.1-0	^[[>c           ^[[>77;30501;0c$
	type attributes			^[[=c		$
	window position	3 px 210+120	^[[13t		^[[3;210;120t$
	window size     4 px 875x881    ^[[14;2t        ^[[4;881;875t$
	text position   3 px 219+152    ^[[13;2t        ^[[3;219;152t$
	text size	4 px 840x840	^[[14t		^[[4;840;840t$
	text chars	8 ch 120x60	^[[18t		^[[8;60;120t$
	char size	6 px 7x14	^[[16t		^[[6;14;7t$
	screen chars    9 ch 274x77     ^[[19t          ^[[9;77;274t$
	screen size	5 px 1920x1080	^[[15t		^[[5;1080;1920t$
	window status	1 open		^[[11t		^[[1t$