new primitives: append-byte, append-byte-hex

These are variants of write-byte-buffered and print-byte-buffered respectively
that operate on in-memory `stream`s rather than `buffered-file`s.

They don't operate on files, so we'll avoid using the prefix 'write-'.

1 files changed, 0 insertions, 0 deletions

diff --git a/subx/apps/factorial b/subx/apps/factorial
index dbda72ae..92c70b86 100755
--- a/subx/apps/factorial
+++ b/subx/apps/factorial
Binary files differ