Why a processing error under Windows but not Linux?

[Richard Kimberly Heck]

On 3/5/20 8:25 PM, Kenward Vaughan wrote:
>
> Hi all,
>
> I have my students using LyX for their organic chemistry lab reports. 
> I use a pretty standard installation at home under Debian, while most
> of them use Windows or Mac.  One student in particular tried using an
> example file I posted for them, added material to it, then ran into
> problems when trying to view a pdf (or export, etc). 
>
> I had him send me both the original file and his file.  Both properly
> process for me.  No one else has reported issues (yet) like this.  If
> he generates a trivial file with a few words in it, no problem is
> encountered. 
>
> The wording of the error message is the following:
>
> \chemgreek_drop_symbols:
>
> The control sequence at the end of the top line
>
> of your error message was never \def'ed. If you have
>
> misspelled it (e.g., `\hobx'), type `I' and the correct
>
> spelling (e.g., `I\hbox'). Otherwise just continue,
>
> and I'll forget about whatever was undefined.
>
> Is it possible that his installation of TexLive is not complete?  Or
> is there something else I'm oblivious to which would explain this?
>
Maybe this:
https://tex.stackexchange.com/questions/249002/error-with-chemgreek.
It's got to be a difference in the LaTeX packages.

Riki


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