PS1.7 Currency format custom (In 1.7 version you cant custom $ via Backoffice) Check the follows files to check where put the changes. public_html / translations / cldr
Check this for sign decimals:
"symbols-numberSystem-latn":{"decimal":".",.........
Check this for price format:
"standard":"\u00a4#,##0.00",..................
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$ format :
standard:\u00a4#,##0.00
€ format :
standard: #,##0.00\u00a0\u00a4
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