[NTG-context] Directories of pictures

[Sanjoy Mahajan]

> >    Note that ./png-images seems to look for 
> > <current_shell_directory>/png-images.
> >
> >  
> what is tex_file_directory? 

I'm guessing "the directory in which the tex source file lives", what
I often wished TeX used as its search path for relative paths -- the
way some (all?) C compilers will when looking for include files.

-Sanjoy

`Never underestimate the evil of which men of power are capable.'
         --Bertrand Russell, _War Crimes in Vietnam_, chapter 1.