payto:0.02btc|bitcoin:19bF4Xq2bJwVKzGmbq5pxmkgYkE1KnXngp#bitcoin+RFC+donation+to+vladimir
payto:24.99usd|https://paypal.com/user/exampleman#payment+for+1btc
This seems to be inferior to the already specified bitcoin: URI.
bitcoin:19bF4Xq2bJwVKzGmbq5pxmkgYkE1KnXngp?amount=0.02&message=bitcoin+RFC+donation+to+vladimir
How is it any more readable to have fields separated by random symbols as opposed to specified in name/value pairs?
Not to mention that links aren't/don't have to be readable by a human, just a computer. Most of the time links would be done like this anyway:
Click to Donate!