Update

syntax/latextoc.vim

@@ -0,0 +1,13 @@
+if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'latex') == -1
+  
+syntax match helpText /^.*: .*/
+syntax match secNum /^\S\+\(\.\S\+\)\?\s*/ contained conceal
+syntax match secLine /^\S\+\t.\+/ contains=secNum
+syntax match mainSecLine /^[^\.]\+\t.*/ contains=secNum
+syntax match ssubSecLine /^[^\.]\+\.[^\.]\+\.[^\.]\+\t.*/ contains=secNum
+highlight link helpText		PreProc
+highlight link secNum		Number
+highlight link mainSecLine	Title
+highlight link ssubSecLine	Comment
+
+endif