Can I use "will" after "if" in this sentence:
Let me know if you will come.
Does "if" mean "whether" here? Like in:
I doubt if he will come.
Or is it a conditional and I can't use "will" after "if", like in:
Tell him about the party if you meet him.
But beware. It doesn't mean 'Tell me when you arrive'. (That is, some students may be tempted to use it wrongly.)