[OS X TeX] etex versions

[Jonathan Kew]

On 4 Mar 2005, at 11:28 am, Joachim Kock wrote:

> Hello Gerben and other texperts
>
> in a previous tetex installation I had, etex used .efmt as
> suffix for its formats, but in my present installation it
> uses .fmt.
>
> I would like to know how a script in the most reliable way
> can query the installation for which of the two behaviours
> occurs.  I expect to do this by regexping the output of
>
>    etex --version
>
> which starts like
>
>    pdfeTeX 3.141592-1.20a-2.2 (Web2C 7.5.3)
>    kpathsea version 3.5.3
>
> My question is which of these three version numbers is the
> best to use for comparison, and at which version number
> did the design change?
>

I believe the change from Web2C 7.5.2 to 7.5.3 is the significant one 
here.

JK

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