updated for version 7.3.850
Problem: ":vimgrep //" matches everywhere.
Solution: Make it use the previous search pattern. (David Bürgin)
diff --git a/runtime/doc/quickfix.txt b/runtime/doc/quickfix.txt
index 9dd3baa..4738be0 100644
--- a/runtime/doc/quickfix.txt
+++ b/runtime/doc/quickfix.txt
@@ -574,6 +574,8 @@
'ignorecase' applies. To overrule it put |/\c| in the
pattern to ignore case or |/\C| to match case.
'smartcase' is not used.
+ If {pattern} is empty (e.g. // is specified), the last
+ used search pattern is used. |last-pattern|
When a number is put before the command this is used
as the maximum number of matches to find. Use