snippets: \textheight and \textwidth in latex

luasnippets/tex.lua

@@ -57,4 +57,12 @@ return {
   s({ trig = "bs", dscr = "Insert a big skip" },
     fmt("\\bigskip", {})
   ),
+
+  s({ trig = "tw", dscr = "Insert \\textwidth" },
+    fmt("\\textwidth", {})
+  ),
+
+  s({ trig = "th", dscr = "Insert \\textheight" },
+    fmt("\\textheight", {})
+  ),
 }