From 3edae53d2ef2cfd909a18773d7f20155dc85f48b Mon Sep 17 00:00:00 2001
From: Eddie Hung <eddieh@ece.ubc.ca>
Date: Wed, 20 Feb 2019 13:45:59 -0800
Subject: Update README.md

---
 README.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/README.md b/README.md
index 7415afb..eb18ffb 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,7 @@ Initial contents were populated from [YosysHQ/nextpnr@6cc1bf](https://github.com
 
 # Notes for regressions:
 - Add subdir to `:/<arch>/regressions/<issue####>`; e.g. `:/ice40/regressions/issue0000`
+  - Please gzip `*.json` files into `*.json.gz`
 - `:/<arch>/regressions/Makefile` will take all `:/<arch>/regressions/*/*.{json.gz,sh}` and
   - For `*.json.gz`: decompress into `*.json`, and then execute `nextpnr` using `*.pcf` if it exists, and using additional options specified by `*.npnr`
   - For `*.sh`: decompress `*.json.gz` into `*.json`, then run `*.sh` script
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