LaTeX reader: allow macro definitions inside macros.

Previously we went into an infinite loop with ``` \newcommand{\noop}[1]{#1} \noop{\newcommand{\foo}[1]{#1}} \foo{hi} ``` See #4253.
jgm · Jan 13, 2018 · dca0032 · dca0032
1 parent 44222e0
commit dca0032
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/test/command/4253.md b/test/command/4253.md
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+```
+% pandoc -f latex -t native
+\newcommand{\noop}[1]{#1}
+\noop{\newcommand{\foo}[1]{#1}}
+\foo{hi}
+^D
+[Para [Str "hi"]]
+```