gistfile1.m

  NSMutableDictionary* attributes = [[NSMutableDictionary alloc]init];
	
	// p
	
	UIFont *paragraphFont = [UIFont fontWithName:@"Helvetica" size:12.0];
	NSMutableParagraphStyle* pParagraphStyle = [[NSMutableParagraphStyle alloc]init];
	
	pParagraphStyle.paragraphSpacing = 12;
	pParagraphStyle.paragraphSpacingBefore = 12;
	NSDictionary *pAttributes = @{ NSFontAttributeName : paragraphFont, NSParagraphStyleAttributeName : pParagraphStyle };
	[attributes setObject:pAttributes forKey:@(PARA)];
	
	// h1
	UIFont *h1Font = [UIFont fontWithName:@"Helvetica-Bold" size:28.0];
	UIColor *h12color = [UIColor colorWithHexString:@"#000000"];
	[attributes setObject:@{NSFontAttributeName : h1Font, NSForegroundColorAttributeName : h12color} forKey:@(H1)];
	
	// h2
	UIFont *h2Font = [UIFont fontWithName:@"Helvetica-Bold" size:24.0];
	[attributes setObject:@{NSFontAttributeName : h2Font, NSForegroundColorAttributeName : h12color} forKey:@(H2)];
	
	// h3
	UIFont *h3Font = [UIFont fontWithName:@"Helvetica-Bold" size:18.0];
	UIColor *h345Color = [UIColor colorWithHexString:@"#333333"];
	[attributes setObject:@{NSFontAttributeName : h3Font, NSForegroundColorAttributeName : h345Color} forKey:@(H3)];
	
	// h4
	UIFont *h4Font = [UIFont fontWithName:@"Helvetica-Bold" size:16.0];
	[attributes setObject:@{NSFontAttributeName : h4Font, NSForegroundColorAttributeName : h345Color} forKey:@(H4)];
	
	// h5
	UIFont *h5Font = [UIFont fontWithName:@"Helvetica-Bold" size:14.0];
	[attributes setObject:@{NSFontAttributeName : h5Font, NSForegroundColorAttributeName : h345Color} forKey:@(H5)];
	
	// h6
	UIFont *h6Font = [UIFont fontWithName:@"Helvetica-Bold" size:14.0];
	UIColor *h6Color = [UIColor colorWithHexString:@"#777777"];
	[attributes setObject:@{NSFontAttributeName : h6Font, NSForegroundColorAttributeName : h6Color} forKey:@(H6)];
	
	// em
	UIFont *emFont = [UIFont fontWithName:@"Helvetica-Oblique" size:15.0];
	[attributes setObject:@{NSFontAttributeName : emFont} forKey:@(EMPH)];
	
	// strong
	UIFont *strongFont = [UIFont fontWithName:@"Helvetica-Bold" size:15.0];
	[attributes setObject:@{NSFontAttributeName : strongFont} forKey:@(STRONG)];
	
	// ul
	NSMutableParagraphStyle* listParagraphStyle = [[NSMutableParagraphStyle alloc]init];
	listParagraphStyle.headIndent = 12.0;
	[attributes setObject:@{NSFontAttributeName : paragraphFont, NSParagraphStyleAttributeName : listParagraphStyle} forKey:@(BULLETLIST)];
	
	// li
	NSMutableParagraphStyle* listItemParagraphStyle = [[NSMutableParagraphStyle alloc]init];
	listItemParagraphStyle.headIndent = 12.0;
	[attributes setObject:@{NSFontAttributeName : paragraphFont, NSParagraphStyleAttributeName : listItemParagraphStyle} forKey:@(LISTITEM)];
	
	// a
	UIColor *linkColor = [UIColor blueColor];
	[attributes setObject:@{NSForegroundColorAttributeName : linkColor} forKey:@(LINK)];
	
	// blockquote
	NSMutableParagraphStyle* blockquoteParagraphStyle = [[NSMutableParagraphStyle alloc]init];
	blockquoteParagraphStyle.headIndent = 12.0;
	blockquoteParagraphStyle.tailIndent = 12.0;
	blockquoteParagraphStyle.firstLineHeadIndent = 12.0;
	[attributes setObject:@{NSFontAttributeName : [emFont fontWithSize:12.0], NSParagraphStyleAttributeName : blockquoteParagraphStyle} forKey:@(BLOCKQUOTE)];
	
	// verbatim (code)
	NSMutableParagraphStyle* verbatimParagraphStyle = [[NSMutableParagraphStyle alloc]init];
	verbatimParagraphStyle.headIndent = 12.0;
	verbatimParagraphStyle.firstLineHeadIndent = 12.0;
	UIFont *verbatimFont = [UIFont fontWithName:@"Helvetica" size:12.0];
	[attributes setObject:@{NSFontAttributeName : verbatimFont, NSParagraphStyleAttributeName : verbatimParagraphStyle} forKey:@(VERBATIM)];

  NSString *randomText = @"@"<matthew@idlefusion.com>""; // insert failing text here.

  // Error occurs in the next line.
  NSMutableAttributedString* attr_out = markdown_to_attr_string(inputText,0,attributes);