From 0da7d84d8bad477fae7eeefc1a1fe62b7d76cfeb Mon Sep 17 00:00:00 2001
From: Terminator X <engineerarun@gmail.com>
Date: Thu, 5 Aug 2021 22:21:52 +0530
Subject: [PATCH] Updated Developer guides (markdown)

---
 Developer-guides.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Developer-guides.md b/Developer-guides.md
index 91b838c..de9192c 100644
--- a/Developer-guides.md
+++ b/Developer-guides.md
@@ -104,6 +104,12 @@ Disable notifications on `cp`, `mv`, `rm` completion, selection sync to system c
 
 Warning: Saved sessions may no longer be usable when the number of contexts is switched.
 
+#### Matching filters only 
+
+    make O_MATCHFLTR=1
+
+Discard filter key when there's no match.
+
 ## Static compilation
 
 Install the GPM development library and set the Makefile variable `O_STATIC`.