[parrot/parrot] 940ede: different string escape policy now

[GitHub]

  Branch: refs/heads/rurban/lexqnames-gh1095-dev
  Home:   https://github.com/parrot/parrot
  Commit: 940ede1e6889a015c2d808b470370d63e9450846
      https://github.com/parrot/parrot/commit/940ede1e6889a015c2d808b470370d63e9450846
  Author: Reini Urban <rurban at cpanel.net>
  Date:   2014-10-09 (Thu, 09 Oct 2014)

  Changed paths:
    M src/string/api.c

  Log Message:
  -----------
  different string escape policy now

die now with unknown escape sequences A-Za-z,
but allow quoting of special non-word chars, like
\", \[, \}