Bug 722711 - [PATCH] Link refs with no title swallow an extra newline

src/markdown.cpp

@@ -1133,8 +1133,8 @@ static int isLinkRef(const char *data,int size,
   while (i<size && data[i]==' ') i++;
   if (i<size && data[i]=='\n')
   {
-    i++;
     eol=i;
+    i++;
     while (i<size && data[i]==' ') i++;
   }
   if (i>=size) 
@@ -1152,6 +1152,7 @@ static int isLinkRef(const char *data,int size,
     int titleStart=i;
     // search for end of the line
     while (i<size && data[i]!='\n') i++;
+    eol = i;
 
     // search back to matching character
     int end=i-1;
@@ -1166,8 +1167,7 @@ static int isLinkRef(const char *data,int size,
   //printf("end of isLinkRef: i=%d size=%d data[i]='%c' eol=%d\n",
   //    i,size,data[i],eol);
   if      (i>=size)       return i;    // end of buffer while ref id was found
-  else if (data[i]=='\n') return i+1;  // end of line while ref id was found
-  else if (eol)           return eol;  // no optional title found
+  else if (eol)           return eol;  // end of line while ref id was found
   return 0;                            // invalid link ref
 }
 

testing/055/md_055_markdown.xml

+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<doxygen xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="compound.xsd" version="">
+  <compounddef id="md_055_markdown" kind="page">
+    <compoundname>md_055_markdown</compoundname>
+    <title>055_markdown</title>
+    <detaileddescription>
+      <para>
+        <heading level="1">Foo</heading>
+      </para>
+      <para>
+        <heading level="2">Bar</heading>
+      </para>
+      <para>Some text with a <ulink url="http://www.example.com/">link</ulink>.</para>
+      <para>
+        <heading level="2">Baz</heading>
+      </para>
+      <para>More text </para>
+    </detaileddescription>
+  </compounddef>
+</doxygen>

testing/055_markdown.md

+<!--
+// objective: test markdown
+// check: md_055_markdown.xml
+-->
+
+# Foo
+
+## Bar
+
+Some text with a [link][1].
+
+[1]: http://www.example.com/
+
+## Baz
+
+More text