A couple of tweaks to catch - [ ] fix files with <variable_id> entries that include an underscore (both within and in filenames) - [ ] fix issue with license not being recognized on the [input4MIPs_source-id_CMIP6Plus.html](https://input4mips-controlled-vocabularies-cvs.readthedocs.io/en/latest/database-views/input4MIPs_source-id_CMIP6Plus.html) page @znichollscr @mjevanmarle these are some crumb trail notes for a future time