Snapshot 23w10a

• Generate fuller changelogs for snapshots

• Add bootstrap version of file editor

• Fix stack comment of fopen?

• Don't overlap ptable buffer with freebits

• Don't load grep by default (moved to block 2f)

• exceptions: conserve memory

• #lines is ambiguous. rename to blk-{width,height}

• Handle multiple string literals in interpreter mode

• Remove obsolete and crude text entry stuff

Loading them into memory at this point is wasteful.

• Use DAA trick for digit conversion (saves 2 bytes)

• run.sh: handle option drift

• build.sh: bail out on first error