> > current version uses strstr() to check if the file has the expected ascii 
> > text extension ... this is buggy becouse this way a file named 
> > ".txt_hidden_file" or "foo.config.dat" are both seen as .txt files. 
>  
> I added your routine chkext() to the code, but actually use it differently. I 
> display now ASCII files not by their extension, but the code checks for each file 
> to contain non-printable characters. If it contains all printable letters, and does 
> not have the extension PDF, PS or EPS, it's shown inline. 
 
I totally agree with you choice :-)