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this dilemma is simply to avoid using these constructions at the beginning of sentences.
There seems to be a meta-rule behind these nonstandard hackerisms to the effect that precision of expression is more important than conformance to traditional rules; where the latter create ambiguity or lose information they can be discarded without a second thought. It is notable in this respect that other hackish inventions (for example, in vocabulary) also tend to carry very precise shades of meaning even when constructed to appear slangy and loose. In fact, to a hacker, the contrast between 'loose' form and 'tight' content in jargon is a substantial part of its humor!
Hackers have also developed a number of punctuation and emphasis conventions adapted to single-font all-ASCII communications links, and these are occasionally carried over into written documents even when normal means of font changes, underlining, and the like are available.
One of these is that TEXT IN ALL CAPS IS INTERPRETED AS 'LOUD', and this becomes such an ingrained synesthetic reflex that a person who goes to caps-lock while in talk mode may be asked to "stop shouting, please, you're hurting my ears!".
Also, it is common to use bracketing with unusual characters to signify emphasis. The asterisk is most common, as in "What the *hell*?" even though this interferes with the common use of the asterisk suffix as a footnote mark. The underscore is also common, suggesting underlining (this is particularly common with book titles; for example, "It is often alleged that Joe Haldeman wrote _The_Forever_War_ as a rebuttal to Robert Heinlein's earlier novel of the future military, _Starship_Troopers_."). Other forms ex-emplified by "=hell=", "\hell/'', or "/hell/" are occasionally seen (it's claimed that in the last example the first slash pushes the letters over to the right to make them italic, and the second keeps them from falling over). Finally, words may also be emphasized L I K E T H I S, or by a series of carets (^) under them on the next line of the text.
There is a semantic difference between *emphasis like this* (which emphasizes the phrase as a whole), and *emphasis**like**this* (which suggests the writer speaking very slowly and distinctly, as if to a very young child or a mentally impaired person). Bracketing a word with the '*' character may also indicate that the writer wishes readers to consider that an action is taking place or that a sound is being made. Examples: *bang*, *hic*, *ring*, *grin*, *kick*, *stomp*, *mumble*.
One might also see the above sound effects as <bang>, <hic>, <ring>, <grin>, <kick>, <stomp>, <mumble>. This use of angle brackets to mark their contents originally derives from conventions used in BNF, but since

 
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