> From: Brian <http://www.cs..edu/~b> > Date: Mon, 26 Dec 2016 18:07:43 -0800 > > Further experimentation shows that even typing a tab can do it -- anything that > > moves the text more than one space at a time. Weird. Have you checked whether JOVE uses memcpy()? I think I remember I had some weird problems when I use memcpy() to move overlapping memory regions. I changed it to use memmove() instead, I think.