[OS X TeX] TeXShop setup query

[Rowland McDonnell]

I've added a couple of new `engine' files for TeXShop.


XermLaTeX:

---------------------------------------------------------------------
#!/bin/tcsh

set path= ($path /usr/texbin /usr/local/bin)
xetex  -fmt xermlatex "$1"
---------------------------------------------------------------------

and rmLaTeX:

---------------------------------------------------------------------
#!/bin/tcsh

set path= ($path /usr/texbin /usr/local/bin)
pdfetex -fmt pdfrmlatex  "$1"
---------------------------------------------------------------------

They're quite similar to the `Engine' files I added for TeXShop with
MacTeX 2006.

But this time, when I try to use one of the new engines (I'm trying to
see if my attempt to build new formats has worked, for some functioning
value of `work'), I get a message:

---------------------------------------------------------------------
Can't find required tool.

~/Library/TeXShop/Engines/rmLaTeX.engine does not have the executable
bit set.
---------------------------------------------------------------------

There is no mention of this issue in the TeXShop documentation that I
can find (it doesn't say much at all about writing new engine files).

Can anyone tell me what I need to do to set the executable bit? (and
maybe tell me what the executable bit might be?)

Rowland.