[R-SIG-Mac] Bug in R.app 1.53

[Earl Brown]

When I run code in R.app, in addition to getting the results I expect, the console also randomly prints out previously submitted code and places it before the prompt arrow and/or before the output of what my code asks R to do. The color of this random, unwanted output is gray. This doesn't happen when I run my code in R in a Terminal window, nor did it happen before I upgraded to R 2.15.2 and R.app 1.53 a few days ago. Take a look at the two attached screen shots, one of R.app and the other of Terminal running the same code. And here's my sessionInfo():

> sessionInfo()
R version 2.15.2 (2012-10-26)
Platform: x86_64-apple-darwin9.8.0/x86_64 (64-bit)

locale:
[1] en_US.UTF-8/en_US.UTF-8/en_US.UTF-8/C/en_US.UTF-8/en_US.UTF-8

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base

Any ideas? Thanks, Earl Brown

-----
Earl K. Brown, PhD
Assistant Professor of Spanish Linguistics
Advisor, TEFL MA Program
Department of Modern Languages
Kansas State University

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