[tex-k] METAFONTk and MetaPostk, and -parse-first-line

[A. Komornicki]

Many of us have been aware of the  %& first line feature for some
years.   This last exchange prompts me to ask the question: 
where is this feature documented, and  where is the entry in the 
texmf.cnf file documented, (if any ?) 

regards, 
andrew 


At 09:16 AM 10/19/03, you wrote:
>> I noticed that although TeX announces itself as "TeXk" (because of %&
>> parsing, I believe?),
>
>TeX Live's texmf.cnf has
>  parse_first_line = t
>
>teTeX and web2c have
>  parse_first_line = f
>
>I still believe that people should get "This is TeX ..." by default.
>
>> mf and mp do not.  But they do %& parsing too, so
>
>I agree. Maybe, they should announce extensions in the same way as
>tex does.
>
>> Also, %&-parsing is enabled by default, and neither -no-parse-first-line
>> nor -parse-first-line=no worked, so there seems to be way to turn it off
>
>I guess that we only have -parse-first-line without a corresponding
>"no"-option. Maybe,
>  parse_first_line=f tex ...
>helps.
>
>Thomas
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