Patch for Additional.lyx re IOP

[Pavel Sanda]

On Thu, Dec 01, 2022 at 11:22:28AM +0000, John R Hudson wrote:
> A&A is the only case where there is a CLS file available. All the others I have found do not have a CLS file anywhere on the Internet. IoP appear to have taken the decision to retain the BibTeX file but leave people free to choose the document class. John 

Ok, both IJMPC/D & IOP patches are in. Pavel