Andrius Merkys

Switching from CalVer to SemVer is problematic as some distribution management software will not understand that `1.7.0` is newer than `2021.11.06`, take Debian for example where all version comparisons are...

> This wouldn't be the first project to do such a versioning scheme change; distros already have tools/mechanisms to handle that. You are right, this is doable, although it involves...

This happens when protobuf is not installed. I had to install `protobuf` Python package and protoc compiler. On Debian I had to install `python3-protobuf` and `protobuf-compiler` packages.

Thanks for suggestion. Although I prefer `wdq` due to its lightweight dependencies (all are system-provided by Debian/Ubuntu OSes).

@versant2612 this indeed seems very similar to what I am getting: ``` invalid character encountered while parsing JSON string, at character offset 172474431 (before "\nPREFIX wd:

This seems easy to fix, if the wish is to get a proper error message only, which would be sufficient to me. @nichtich would you accept a PR if I...

Thank you for the response. I would appreciate any reference on this extension.

Thanks a lot for giving this a look! I completely agree with you regarding polystyrene, repeating saturated alkane, diamond and graphite. However, I would write [poly(ethylene oxide)](https://en.wikipedia.org/wiki/Polyethylene_glycol) as `C&1CO&1`, as...

Two more examples to illustrate the need to also include bond types: * (=C=)N: `C=&1=&1` * (≡C-)N: `C#&1&1`

Very similar method to describe periodic chemical graphs is presented in [Eon (2016)](https://onlinelibrary.wiley.com/iucr/doi/10.1107/S2053273315022950), Section 2.2.