shithub: pprolog

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Add missing pre defined operators from iso prolog

--- a/parser.c

+++ b/parser.c

@@ -390,8 +390,20 @@

 	addoperator(700,  Xfx, L"=..");

 	addoperator(600,  Xfy, L":");

 	addoperator(500,  Yfx, L"+");

+	addoperator(500,  Yfx, L"-");

+	addoperator(500,  Yfx, L"/\\");

+	addoperator(500,  Yfx, L"\\/");

 	addoperator(400,  Yfx, L"*");

 	addoperator(400,  Yfx, L"/");

+	addoperator(400,  Yfx, L"//");

+	addoperator(400,  Yfx, L"rem");

+	addoperator(400,  Yfx, L"mod");

+	addoperator(400,  Yfx, L"<<");

+	addoperator(400,  Yfx, L">>");

+	addoperator(200,  Xfx, L"**");

+	addoperator(200,  Xfy, L"^");

+	addoperator(200,  Fy,  L"-");

+	addoperator(200,  Fy,  L"\\");

 }

 void