I haven’t found this to be a problem in practice. You generally can’t grep for the complete message anyway due to inserted arguments. Picking a distinctive formulation from the log message virtually always does the trick. I do take care to not place line breaks in the middle of a semantic unit if possible.

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saagarjha 4 days ago | parent [-]

Yes, I find the part of the message that doesn't have interpolated arguments in it. The problem is that the literal part of the string might be broken up across lines.

	▲	bogomog 3 days ago \| parent [-]
		And to add to this, you rarely need to read a log message when just visually scanning code, its fine going off the screen.