tests: use (esc) markup for string-escape
This makes test output less ambiguous.
Failing test output will be escaped and marked up if necessary. A Python
string-escape compatible encoding is used, but not everything is encoded -
especially not \n and \t and '.
[ original upstream message ]
syntax: glob
*.pyc
*.pyo
*~
*.swp
*.orig
*.rej
.DS_Store
build/*
MANIFEST