Let's see what `Umar did...

Let's see what `Umar did: Sahih al-Bukhari narrates in v1, p54: "Shaqiq Ibn Salamah said: I was with Abdullah and Abu Musa, so Abu Musa told Abdullah: What should a man do if he was in a state of Janabah (the biological state of sperm ejaculation after a dream or when a man has sexual intercourse with his wife) and had no water to clean?" Abdullah said: "He shall not pray until he finds water." So Abu Musa said: "But didn't you hear the Prophet (PBUH&HF) tell `Amar Ibn Yasir (RA) that all he had to do was Tayamum?" Abdullah replied: "Didn't you know that `Umar (Ibn al-Khatab) didn&