Jeff King <peff@xxxxxxxx> writes: > I don't think it is, but I could be wrong. POSIX does say that "\n" > matches a newline in the pattern space, but nothing about it on the RHS > of a substitution. I have a vague feeling of running into problems in > the past, but I could just be misremembering. Yes, it was quite bad on minority platforms like AIX when I had to touch it the last time.