update + wget script update

personal/wirth/news.txt

@@ -1,3 +1,4 @@
+20170818 - CompilerConstruction/CompilerConstruction2.pdf  on p.72, epilog corrected
 20170528 - Oberon0 - Compiler Construction
    To the Oberon0 compiler in the book Compiler Construction is attached an elulator for RISC5. 
    Since now an efficient emulator is available, and also a hardware RISC5 on an FPGA board,

wirth.sh

@@ -1,2 +1,2 @@
 #!/bin/sh 
-wget -r -k -l 7 -p -E -np https://www.inf.ethz.ch/personal/wirth/
+wget --user-agent="Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/536.5 (KHTML, like Gecko) Chrome/19.0.1084.9 Safari/536.5" -r -k -l 7 -p -E -np https://www.inf.ethz.ch/personal/wirth/