Damn! Emacs Regex problem

Well, I have said it my other blogs that I have the habit of building Emacs from source and I did it recently. Bam! While trying to open one of the operations inside it, I encountered an error, explicitly saying… Debugger entered--Lisp error: (error "Stack overflow in regexp matcher") looking-at("^[ \11]*#\\+begin_?\\([^ \n]+\\)\\(\\([^\n]+\\)\\)?\n\\(\\(?:.\\|\n\\)+?\\)#\\+end_?\\1[ \11]*$")…