From b590c8dbd9d50d972c656bfe62a3fe52a4f5394f Mon Sep 17 00:00:00 2001
From: albert-github <albert.tests@gmail.com>
Date: Mon, 28 Jan 2019 15:03:41 +0100
Subject: issue #6800 Markdown line ending problems in 1.8.15 and master

In case of a completely empty line with 2 spaces at the end don't consider this as a 2 space terminated line.
Regression of #6448
---
 src/markdown.cpp | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/markdown.cpp b/src/markdown.cpp
index fcad7e9..1b13e5c 100644
--- a/src/markdown.cpp
+++ b/src/markdown.cpp
@@ -1886,10 +1886,12 @@ static int writeTableBlock(GrowBuf &out,const char *data,int size)
 static int hasLineBreak(const char *data,int size)
 {
   int i=0;
-  while (i<size && data[i]!='\n') i++;
+  int j=0;
+  /* search for end of line and also check if it is not a completely empty, i.e. only spaces or tabs, line is */
+  while (i<size && data[i]!='\n') {if (data[i] != ' ' && data[i] != '\t') j++;i++;}
   if (i>=size) return 0; // empty line
   if (i<2) return 0; // not long enough
-  return (data[i-1]==' ' && data[i-2]==' ');
+  return (j && data[i-1]==' ' && data[i-2]==' ');
 }
 
 
@@ -1947,7 +1949,7 @@ void writeOneLineHeaderOrRuler(GrowBuf &out,const char *data,int size)
     out.addStr(data,size);
     if (hasLineBreak(data,size))
     {
-      out.addStr("\n");
+      out.addStr("<br>");
     }
   }
 }
-- 
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