[elpa] externals/denote 5c400d80d9 191/355: Document regexp example for file extension

[ELPA Syncer]

branch: externals/denote
commit 5c400d80d96a7127e6e90b19fa598ea66db9396d
Author: Protesilaos Stavrou <info@protesilaos.com>
Commit: Protesilaos Stavrou <info@protesilaos.com>

    Document regexp example for file extension
---
 README.org | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/README.org b/README.org
index 23b7bff212..838eb099aa 100644
--- a/README.org
+++ b/README.org
@@ -621,6 +621,10 @@ command:
 - =^2022.*_journal= match all file names starting with =2022= and
   including the keyword =journal=.
 
+- =\.txt= match all files including =.txt=.  In practical terms, this
+  only applies to the file extension, as Denote automatically removes
+  dots (and other characters) from the base file name.
+
 If files are created with ~denote-sort-keywords~ as non-nil (the
 default), then it is easy to write a regexp that includes multiple
 keywords in alphabetic order: