From ed2906756bc0b424bd76306d21b01e09b1c6ef01 Mon Sep 17 00:00:00 2001
From: shy <shy@posteo.de>
Date: Thu, 22 Apr 2021 10:12:48 +0200
Subject: [PATCH] Replace tabs by spaces.

---
 src/buffer.rs | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/buffer.rs b/src/buffer.rs
index bb1ce36..157a270 100644
--- a/src/buffer.rs
+++ b/src/buffer.rs
@@ -52,7 +52,12 @@ impl Buffer {
     pub fn push(&mut self, value: char) {
         // Reset error message.
         self.message = None;
-        self.content.push(value);
+        match value {
+            // Replace tabs by four spaces.
+            '\t' => self.content.push_str("    "),
+            // Append anything else as is.
+            _ => self.content.push(value),
+        }
     }
 
     // Remove last char.