Added langtool grammar checking

Joel Grunbaum

2021-01-27 af0806f06cc98353b09254da5c023e9b321f3997

 snippets/latex-mode/overline

@@ -1,5 +1,5 @@
# -*- mode: snippet -*-
# name: Overline
# key: ov
# --
# -*- mode: snippet -*-

# name: Overline

# key: ov

# --

\overline{$1}$0