search for: set_rl_word_breaks

Hi, I filed a bug report in the tracker (id #15169) a short while ago, along with a patch, but I came back to it to see that there is relatively little movement or participation on the tracker so I thought I'd pitch it here (patch attached). The function `set_rl_word_breaks` in src/unix/sys-std.c relies on statically-allocated strings local to the function, making other C code using the readline library, such as a program embedding R and using readline as well, at risk of creating a segfault when trying to free `rl_basic_word_break_characters` or `rl_completer_word_br...