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It would be the outer-space equivalent of those stubborn elderly hospital patients who insist on smoking cigarettes while wearing oxygen tanks. NASA tolerates low-pressure pure-oxygen pressurization in their soft space suits because they have no choice.There is not a lot of research, but NASA seems to think that if an astronaut in such a suit got punctured by a micro-meteor and it caught fire, the main hazard is a fire enlarging the diameter of the breach, an astronaut-shaped ball of flame.The accuracy of space suits in science fiction was very much hit or miss.The low budget show Space Academy had "Life Support Bracelets" and the Star Trek Animated series had force-field based "Life Support Belts" as a cheapskate way to avoid the special effect expense of renting or drawing an actual space suit.NASA astronaut always put on a transdermal dimenhydrinate anti-nausea patch when suiting up in a space suit, in case of drop sickness.The chances of that are slight, but suffocating inside a helmet full of vomit is a nasty way to die.For what it is worth, the "Apollo Operations Handbook Extravehicular Mobility Unit", Revision 5, Table 2-I quotes the maximum leak rate of 180 cubic centimeters per minute at 25.5 k Pa.Suits can be Soft, Hard-shell, Semi-Rigid/Hybrid or Skintight. This means they cannot be pressurized to the same level as the inside of the habitat module or the space suited person will be forced into a posture like a star-fish and be unable to bend any joints.
I suppose some space-faring nation could use low-pressure pure-oxygen habitat modules to avoid pre-breathing with low-pressure space suits, but that would be insanely dangerous.
Most space suits are Full (Body) Pressure-suits: they offer pressurization of the entire body in space for extended periods.
Partial (Body) Pressure-suits only pressurize certain parts of the body for a limited time.
To avoid this the astronaut must do pre-breathing for a couple of hours.
If you go from a high-pressure habitat module into a high-pressure space suit the bends does not happen.