In the years since I first replied to this thread, I've acquired RX and find that the De-Click module does a great job.
For dealing with obtrusive clapping in aud recordings, it can eliminate many claps entirely.
For most applications, I set it for the Multi-band (random clicks) algorithm drop down menu. For most instances Sensitivity at 6.5, Widening at 1.7 and skew at 0 works for me.
If that's not working well enough, you can check the "Output Clicks Only" box and adjust the settings so you're hearing only the clicks (claps) that would be removed without affecting the music.
Sometimes you might want some of the claps remaining as when the audience is clapping along with the music and you want to keep the live audience "feel" but don't want the overpowering claps of the person just a few feet away from your mics. In that case, when adjusting the skew, I've been able to attenuate the loudest claps but still keep the audience participation.