di­ag­nose – A di­ag­nos­tic tool for a TeX in­stal­la­tion

Pro­vides macros to as­sist eval­u­a­tion of the ca­pa­bil­i­ties of a TeX in­stal­la­tion (i.e., what ex­ten­sions it sup­ports). An ex­am­ple doc­u­ment that ex­am­ines the in­stal­la­tion is avail­able.