LaTeX reader: allow inline groups starting with \bgroup.

Closes #7953.

src/Text/Pandoc/Readers/LaTeX.hs

@@ -639,9 +639,9 @@ inline = do
         "}"     -> mzero
         _       -> symbolAsString
     CtrlSeq _   -> macroDef (rawInline "latex")
+                  <|> inlineGroup
                   <|> inlineCommand'
                   <|> inlineEnvironment
-                  <|> inlineGroup
     _           -> mzero
 
 inlines :: PandocMonad m => LP m Inlines

test/command/7953.md

@@ -0,0 +1,11 @@
+```
+% pandoc -f latex -t native
+{foo\bgroup bar\egroup }
+^D
+[ Para
+    [ Span
+        ( "" , [] , [] )
+        [ Str "foo" , Span ( "" , [] , [] ) [ Str "bar" ] ]
+    ]
+]
+```

test/command/tex-group.md

@@ -8,5 +8,5 @@
 hi
 \end{foo}
 ^D
-<p><em>hi</em></p>
+<p><span> <em>hi</em> </span></p>
 ```