Expected Behavior

dune init exec foo src --lib=lwt.unix to succeed and create a dune file and src folder.

Actual Behavior

Error below.

dune: option `--libs': invalid element in list (`lwt.unix'): invalid
      component name `lwt.unix'
      Library names must be non-empty and composed only of the
      following
      characters: 'A'..'Z', 'a'..'z', '_' or '0'..'9'.
Usage: dune init [OPTION]... INIT_KIND NAME [PATH]
Try `dune init --help' or `dune --help' for more information.

Reproduction

Any lib name with that has characters other than 'A - Z', 'a - z', '_', '0-9'.

dune init exec foo src --lib=lwt.unix

Specifications

• Version of dune (output of dune --version): 2.5.0
• Version of ocaml (output of ocamlc --version): 4.10.0
• Operating system (distribution and version): red hat linux 8.2