1: doctype public "-//IDN etl.sf.net//Calculator Sample 0.2.1 Grammar//EN";
     2: // run all samples
     3: include "sample-basic.c.etl";
     4: include "sample-arith.c.etl";
     5: // since vars conflicts with logic over variable name, load it in the separate context
     6: { include "sample-vars.c.etl"; };
     7: include "sample-logic.c.etl";
     8: include "sample-lambda.c.etl";
     9: help is_odd;
    10: help q'!*=';