LaTeX reader: improve mathEnvWith.

When converting e.g. an align environment to an aligned environment
inside a Math element, we need to include a newline before the
`\end{aligned}`, since the previous line might end in a comment.

Closes #8122.

2 files changed, 3 insertions, 2 deletions

diff --git a/test/command/3113.md b/test/command/3113.md
index 7452995b5..7746ec14f 100644
--- a/test/command/3113.md
+++ b/test/command/3113.md
@@ -11,7 +11,7 @@ E&=&F
 [ Para
     [ Math
         DisplayMath
-        "\\begin{aligned}\nA&=&B,\\\\\nC&=&D,\\\\\n%\\end{eqnarray}\n%\\begin{eqnarray}\nE&=&F\\end{aligned}"
+        "\\begin{aligned}\nA&=&B,\\\\\nC&=&D,\\\\\n%\\end{eqnarray}\n%\\begin{eqnarray}\nE&=&F\n\\end{aligned}"
     ]
 ]
 ```
diff --git a/test/command/macros.md b/test/command/macros.md
index 9f7a0f9d3..86f10ea1b 100644
--- a/test/command/macros.md
+++ b/test/command/macros.md
@@ -62,7 +62,8 @@ x &= y\\
 \(5-67\)
 
 \[\begin{aligned}
-x &= y\\\end{aligned}\]
+x &= y\\
+\end{aligned}\]
 
 \emph{hi}