Replaced Windows LFCR by Linux LF to avoid ^R at end of line in vi.

applications/lofar2/doc/prestudy/desp_howtools_erko.txt

@@ -5,6 +5,8 @@
 * Polarion
 * Latex
 * Markdown
+* Vi
+
 
 *******************************************************************************
 * RadioHDL with GIT
@@ -358,3 +360,7 @@ Table:
 | row text | row text | row text|
 | row text | row text | row text|
 
+vi
+"Replaced Windows LFCR by Linux LF to avoid ^R at end of line in vi. Removed trailing spaces."
+- in gvim replace \r --> nothing
+- in uex save new file as Linux, save as, menu edit/preferences/line end
\ No newline at end of file