u-mandelbrot.el: Screenshot of ASCII mode
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXEEEEEEEEEEEEEEEEEEEEEEEXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXEEEEEEEEEEEEEEEEEEEECCCCEEEEEEEEEEEEEEXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXEEEEEEEEEEEEEEEEEEEECCCCCooCCCCCCEEEEEEEEEEEXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXEEEEEEEEEEEEEEEEEEECCCCCCCo*+$**ooCCCCCEEEEEEEEEEXXXXXXXXXXXX XXXXXXXXXXXXXXEEEEEEEEEEEEEEEEEEECCCCCCCCooo*x.&,$*ooCCCCCEEEEEEEEEEXXXXXXXXXX XXXXXXXXXXXEEEEEEEEEEEEEEEEEECCCCCCCCCoooo**x+$X&,x*oooCCCCCEEEEEEEEEEXXXXXXXX XXXXXXXXXEEEEEEEEEEEEEEEEECCCCCCCCCooooo**x$Xo+ C*,**oooCCCCCEEEEEEEEEXXXXXXX XXXXXXXEEEEEEEEEEEEEEECCCCCCCCCCooo****xxx+.+ x,+x***ooooCCCEEEEEEEEXXXXXX XXXXXEEEEEEEEEEEEECCCCCCCCCCCoooo**B&B$,.%BxXx *%%$E$+x+,C*oCCCEEEEEEEEXXXXX XXXEEEEEEEEEEEECCCCCCCCCooooooo***x,& o B+C*B+ooCCCEEEEEEEEXXXX XEEEEEEEEEEECCCCCCooooooooo*****x+.@% o,x*oCCCCEEEEEEEXXXX EEEEEEEEEECCCCCCoo*,.x**xxxxxxxx+.E .++ooCCCEEEEEEEEXXX EEEEEEEECCCCCCooo**+C$$..$@..,,,.E *@*oCCCEEEEEEEEXXX EEEEECCCCCCCoooo**x+.&% +. .@@&, $+*oCCCCEEEEEEEXXX EEECCCCCooooo**x++,$x +* .*ooCCCCEEEEEEEEXX ECCCooo*****xxx+.XC+X $ @x*ooCCCCEEEEEEEEXX EC&&C*x. xB + &,+**ooCCCCEEEEEEEEXX ECCCooo*****xxx+.XC+X $ @x*ooCCCCEEEEEEEEXX EEECCCCCooooo**x++,$x +* .*ooCCCCEEEEEEEEXX EEEEECCCCCCCoooo**x+.&% +. .@@&, $+*oCCCCEEEEEEEXXX EEEEEEEECCCCCCooo**+C$$..$@..,,,.E *@*oCCCEEEEEEEEXXX EEEEEEEEEECCCCCCoo*,.x**xxxxxxxx+.E .++ooCCCEEEEEEEEXXX XEEEEEEEEEEECCCCCCooooooooo*****x+.@% o,x*oCCCCEEEEEEEXXXX XXXEEEEEEEEEEEECCCCCCCCCooooooo***x,& o B+C*B+ooCCCEEEEEEEEXXXX XXXXXEEEEEEEEEEEEECCCCCCCCCCCoooo**B&B$,.%BxXx *%%$E$+x+,C*oCCCEEEEEEEEXXXXX XXXXXXXEEEEEEEEEEEEEEECCCCCCCCCCooo****xxx+.+ x,+x***ooooCCCEEEEEEEEXXXXXX XXXXXXXXXEEEEEEEEEEEEEEEEECCCCCCCCCooooo**x$Xo+ C*,**oooCCCCCEEEEEEEEEXXXXXXX XXXXXXXXXXXEEEEEEEEEEEEEEEEEECCCCCCCCCoooo**x+$X&,x*oooCCCCCEEEEEEEEEEXXXXXXXX XXXXXXXXXXXXXXEEEEEEEEEEEEEEEEEEECCCCCCCCooo*x.&,$&ooCCCCCEEEEEEEEEEXXXXXXXXXX XXXXXXXXXXXXXXXXXEEEEEEEEEEEEEEEEEEECCCCCCCo*+$**ooCCCCCEEEEEEEEEEXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXEEEEEEEEEEEEEEEEEEEECCCCCooCCCCCCEEEEEEEEEEEXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXEEEEEEEEEEEEEEEEEEEECCCCEEEEEEEEEEEEEEXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEXXXXXXXXXXXXXXXXXXX