From 21437947a30d8568d1fc1c4244da555c4576c6e3 Mon Sep 17 00:00:00 2001
From: yuin <yuin@inforno.net>
Date: Sun, 1 Mar 2020 18:41:50 +0900
Subject: [PATCH] Fixes #104 : Invalid precending character breaks emphasis

---
 text/reader.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/text/reader.go b/text/reader.go
index a8db23b..df25e54 100644
--- a/text/reader.go
+++ b/text/reader.go
@@ -332,7 +332,11 @@ func (r *blockReader) PrecendingCharacter() rune {
 	if r.pos.Padding != 0 {
 		return rune(' ')
 	}
-	if r.pos.Start <= 0 {
+	if r.segments.Len() < 1 {
+		return rune('\n')
+	}
+	firstSegment := r.segments.At(0)
+	if r.line == 0 && r.pos.Start <= firstSegment.Start {
 		return rune('\n')
 	}
 	l := len(r.source)