Does this mean we can construct similar sentences ourselves (i.e. Xlu' 'e' Ylu'), when the indefinite subject is the same?
TKD 6.2.5 says: <When the verb of the second sentence has a third-person subject (that is, the pronominal prefix is 0) but the intended meaning is "one" or "someone", rather than "he", "she", "it", or "they", {net} is used instead of {'e'}.>
What it's saying here is that using {net} instead of {'e'} is done in a particular situation, but it doesn't say that it's necessarily always done in this situation. Remember the introduction to TKD: <The grammatical sketch is intended to be an outline of Klingon grammar, not a complete description.>
We've known for a long time that {'e' Xlu'} was possible based on TKW. Some people thought this was an error. This latest information just tells us what's going on.
Or is all this just an explanation 'oqranD gave for some "special cases", meaning that we (still) shouldn't write this way?
These are the examples we have of {'e' Xlu'}. The first two are from TKW and the third is from Klingon Monopoly.
yay chavlu' 'e' bajnISlu'. - The victory must be earned by the one who achieves it.
yInlu'taH 'e' bajnISlu'. - The survival must be earned by the one who survives.
DIvI' rojmab qep ghanglu' 'e' nIDlu', 'ach taH qep. - One tries to end the peace talks. (This can't be interpreted as someone trying to get someone else to end the peace talks. The trier is the ender.)
What the latest information says is that these sentences are part of a larger pattern that includes these:
batlhHa' vanglu'taHvIS quv chavbe'lu'. - The one who acts dishonourably is the one who does not achieve honour.
Heghlu'DI' mobbe'lu'chugh QaQqu' Hegh wanI'. - The one who dies is the one who is not alone.
noH QapmeH wo' Qaw'lu'chugh yay chavbe'lu' 'ej wo' choqmeH may' DoHlu'chugh lujbe'lu'. - The one who destroys an empire is the one who doesn't achieve victory, the one who retreats is the one who doesn't lose.
pujwI' HIvlu'chugh quvbe'lu'. - If one attacks the weak, the same one does not achieve honour.
'oy'be'lu'chugh Qapbe'lu'. - One does not succeed if the same one does not experience pain.
So the sentences with {'e' Xlu'} were not a mistake (i.e., cases where Dr. Okrand forgot about {net}), but were written that way for a reason, one which we had suspected but hadn't confirmed. {'e' Xlu'} differs in meaning from {net X} and would be used in some circumstances.
If one imagines writing {HoHlu' 'e' jallu'chugh}, it would mean "if one imagines that one were killed" (which means something like "if you, the listener, were killed"), whereas {HoHlu' net jalchugh} would mean "if one imagines that someone (possibly someone else) were killed".
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De'vID