Added failing tests for note beginning with a citation.

See issue #531.

tests/markdown-citations.chicago-author-date.txt

@@ -38,7 +38,7 @@ Doe, John. 2005. *First Book*. Cambridge: Cambridge University Press.
 
 Doe, John, and Jenny Roe. 2007. “Why Water Is Wet.” In *Third Book*, ed. Sam Smith. Oxford: Oxford University Press.
 
-[^1]: A citation without locators (Doe and Roe 2007), and inline: Doe and Roe (2007, 12).
+[^1]: Doe and Roe (2007, 12) and a citation without locators (Doe and Roe 2007).
 
 [^2]: Some citations (see Doe 2005, chap. 3; Doe and Roe 2007; Doe 2006).
 

tests/markdown-citations.ieee.txt

@@ -38,7 +38,7 @@ References
 
 [3] J. Doe and J. Roe, “Why Water Is Wet,” in *Third Book*, S. Smith, Ed. Oxford: Oxford University Press, 2007.
 
-[^1]: A citation without locators [3], and inline: Reference 3.
+[^1]: Reference 3 and a citation without locators [3].
 
 [^2]: Some citations [1–3].
 

tests/markdown-citations.mhra.txt

@@ -46,7 +46,7 @@ Doe, John, and Jenny Roe, ‘Why Water Is Wet’, in *Third Book*, ed. by Sam Sm
 
 [^4]: *First Book*; ‘Article’, *Journal of Generic Studies*, 6 (2006), 33–34 (p. 30); see also John Doe and Jenny Roe, ‘Why Water Is Wet’, in *Third Book*, ed. by Sam Smith (Oxford: Oxford University Press, 2007).
 
-[^5]: A citation without locators Doe and Roe, and inline: Doe and Roe, p. 12.
+[^5]: Doe and Roe, p. 12 and a citation without locators Doe and Roe.
 
 [^6]: See Doe, *First Book*, chap. 3; also Doe and Roe, pp. 34–35.
 

tests/markdown-citations.txt

@@ -32,7 +32,7 @@ Pandoc with citeproc-hs
 References
 ==========
 
-[^1]: A citation without locators [@пункт3], and inline: @пункт3 [p. 12].
+[^1]: @пункт3 [p. 12] and a citation without locators [@пункт3].
 
 [^2]: Some citations [see @item1 chap. 3; @пункт3; @item2].