more subtle rules on pattern combination parsing

For example a closing parenthesis at the very start can
only be part of a pattern, not an interpattern token.

1 files changed, 1 insertions, 1 deletions

diff --git a/README.md b/README.md
index e9c1c94..e78970c 100644
--- a/README.md
+++ b/README.md
@@ -74,7 +74,7 @@ You may also search with a regular expression. To do this, add a `/` before the
 
 And you have other types of searches, for example searching on file content (start with `c/`):
 
-![content search](website/docs/img/20200608-content-search.png)
+![content search](website/docs/img/20200620-content-memm.png)
 
 You may also apply logical operators or combine patterns, for example searching `test` in all files except txt ones could be `!/txt$/&c/test` and searching `carg` both in file names and file contents would be `carg|c/carg`.