Convert yml2 into a Python package.
* Rename yml2.py -> yml2/__init__.py
* Rename backend.py -> yml2/backend.py
* Rename pyPEG.py -> yml2/pyPEG.py
* Use relative imports where appropriate.
* Change imports in yml2c, yml2proc.
* Update make target `clean`.
include yslt.yml2
tstylesheet {
template "/list" {
apply "address", 0;
| 1000 FOR I=1 TO 2 STEP 1
| 1010 READ NAME$, STREET$, VILLAGE$
| 1020 PRINT "INSERT INTO address (name, street, village) VALUES ('" + NAME$ + "', '" + STREET$ + "', '" + VILLAGE$ + "');"
| 1030 NEXT I
}
template "address" {
| «position() * 10 + 100» DATA "«name»", "«street»", "«village»"
}
}