I would really love to see options to colour stderr separately if at all possible, as it is in other consoles (Eclipse, jEdit, wingIDE)
the text filtering/highlighting is great, but stderr should be handled too.
Thanks so much for an awesome plugin though, and the UTF-8 support!
Currently NppExec treats stdout and stderr as the same. To be more specific, here is the related part of source code:
si.hStdOutput = m_hStdOutWritePipe;
si.hStdError = m_hStdOutWritePipe;
I.e. both stdout and stderr are redirected into the very same pipe.
It seems there are a lot of changes required to differ stdout and stderr, and I definitely don't want to do it in the near future. (You may also read http://sourceforge.net/projects/npp-plugins/forums/forum/672146/topic/4599524)