Hello, I have keywords I am using to categorize my library (a bib file uploaded directly to BibBase), and I have created different URLs to filter the library by keyword for this purpose. Some of these keywords contain colons, i.e., "Data Sources: EIG Tax". The colon seems to be stopping me from doing this for these keywords, however, I can't figure out how to encode the colon into the filter URL parameter. I have tried various combinations of code, e.g., using %3A (https://bibbase.org/show?bib=https://bibbase.org/f/nKAPSyp34A9azBzJd/GCWealthProject.bib&sort=title&filter=keywords:Data%20Sources%3A%20EIG%20Tax), %58, or with " " instead of "%20" using :, :, and &colon. I expected %3A for the colon and %20 for the spaces to work, like it did for the keyword "Estate, Inheritance, and Gift Taxes" (though the comma actually gets converted to a semi-colon by the BibTeX export from Zotero using Better BibTeX, my code using %2C and %20 worked appropriately while using %44 or %2C with   did not (see https://bibbase.org/show?bib=https://bibbase.org/f/nKAPSyp34A9azBzJd/GCWealthProject.bib&sort=title&filter=keywords:Estate%2C%20Inheritance%2C%20and%20Gift%20Taxes#).
Given the disconnect between the two attempts at creating filtered links, I imagine the problem perhaps is that the colon is treated specially by BibBase given its other uses in the filter URL parameter? Do you have any idea how I can encode this colon properly into my URL parameter?
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