eginning:BEGINAnd now it is over!ENDputs "This is the beginning:\n<--- middle --->\nAnd now it is over!"
Tcl.Tcl没有为here文档设立特殊的语法，因为一般的字串语法已经允许嵌入换行和保持缩进。用括号括起来的字串，没有扩展：puts {Grocery list1. Salad mix.2. Strawberries.*3. Cereal.4. Milk