LaTeX reader: handle \hypertarget with one braced parameter.

This seems to work in LaTeX, no doubt because a single token
is consumed as the target text parameter.

Closes #7418.

src/Text/Pandoc/Readers/LaTeX.hs

@@ -590,7 +590,7 @@ hypertargetBlock = try $ do
 hypertargetInline :: PandocMonad m => LP m Inlines
 hypertargetInline = try $ do
   ref <- untokenize <$> braced
-  ils <- grouped inline
+  ils <- tok
   return $ spanWith (ref, [], []) ils
 
 newToggle :: (Monoid a, PandocMonad m) => [Tok] -> LP m a

test/command/7418.md

@@ -0,0 +1,10 @@
+```
+% pandoc -f markdown+raw_tex -t latex
+Lorem \hypertarget{anchor} etc
+
+Lorem \hyperlink{anchor}{the link} etc
+^D
+Lorem \hypertarget{anchor} etc
+
+Lorem \hyperlink{anchor}{the link} etc
+```