<div dir="ltr">Probably the simplest thing is to make a copy of the given files and insert the #lang line at the top and then go from there.<div><br></div><div>You can mess around with namespace initialization to get some kind of an approximation to the #lang line for a single file, but it is messy and ultimately doesn't work as well.</div>
<div><br></div><div>Robby</div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Thu, Sep 12, 2013 at 1:44 AM, Dmitry Pavlov <span dir="ltr"><<a href="mailto:dpavlov@ipa.nw.ru" target="_blank">dpavlov@ipa.nw.ru</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Robby,<div class="gmail_extra"><br><div class="gmail_quote"><div class="im"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr">Generally speaking, Racket is set up to work well with the #lang lines, but not as well without. Lots of things get easier if they are there.</div>
</blockquote><div><br></div></div><div>I accept that thighs without #lang may be hard, but</div><div>doable nonetheless: for example, DrRacket can run</div><div>Algol 60 programs without the #lang line if one selects</div>
<div>
"Algol 60" as the language in the bottom panel.</div><div>I grepped the DrRacket's sources on "make-evaluator";</div><div>two matches found, seem unrelated.</div><div><br></div><div>So there must be another way to do this.</div>
<div><br></div><div>Regards,</div><div><br></div><div>Dmitry</div><div><br></div></div></div></div>
</blockquote></div><br></div>