RFR: 8268296: ScopedMemoryAccess build error with readonly filesystems

This change fixes a build error during the generation of `ScopedMemoryAccess.java` when the sources are readonly, by using `cat a > b` instead of `cp a b` to avoid propagating the permissions to the generated source. - Commit messages: - 8268296: ScopedMemoryAccess build error wit

RFR: 8268299: jvms tag produces incorrect URL

The @jls and @jvms taglet share most of their functionality. A JLS URL looks like https://docs.oracle.com/javase/specs/jls/se16/html/**jls**-8.html#jls-8.1 and a JVMS URL looks like https://docs.oracle.com/javase/specs/jvms/se16/html/**jvms**-4.html#jvms-4.3.2 The current taglet inc

Re: RFR: 8268299: jvms tag produces incorrect URL

On Sun, 6 Jun 2021 22:03:46 GMT, Joe Darcy wrote: > The @jls and @jvms taglet share most of their functionality. A JLS URL > looks like > > https://docs.oracle.com/javase/specs/jls/se16/html/**jls**-8.html#jls-8.1 > > and a JVMS URL looks like > > > https://docs.oracle.com/javase/s