##S is for SMBF, 10 chars -> Score: 14
S is for SMBF, 10 chars -> Score: 14
SMBF stands for Self-modifying Brainf***, and both names are used interchangeably. The original interpreters were named smbf.c and smbf.rb.
\x1a is a hex literal (a single non-printable ASCII character) for the decimal number 26.
<[-<.+>]a\x1a The \x1a is used as a loop counter. a is printed and incremented each time.