Update runtime files
diff --git a/runtime/syntax/matlab.vim b/runtime/syntax/matlab.vim
index 5228bb5..5202809 100644
--- a/runtime/syntax/matlab.vim
+++ b/runtime/syntax/matlab.vim
@@ -4,9 +4,10 @@
" Credits: Preben 'Peppe' Guldberg <peppe-vim@wielders.org>
" Maurizio Tranchero - maurizio(.)tranchero(@)gmail(.)com
" Original author: Mario Eusebio
-" Last Change: Mon Jan 23 2017
-" added support for cell mode
+" Last Change: June 10 2019
+" added highlight rule for double-quoted string literals
" Change History:
+" - double-quoted string literals added
" - now highlights cell-mode separator comments
" - 'global' and 'persistent' keyword are now recognized
@@ -40,6 +41,7 @@
" String
" MT_ADDON - added 'skip' in order to deal with 'tic' escaping sequence
syn region matlabString start=+'+ end=+'+ oneline skip=+''+
+syn region matlabStringArray start=+"+ end=+"+ oneline skip=+""+
" If you don't like tabs
syn match matlabTab "\t"
@@ -87,6 +89,7 @@
hi def link matlabRepeat Repeat
hi def link matlabTodo Todo
hi def link matlabString String
+hi def link matlabStringArray String
hi def link matlabDelimiter Identifier
hi def link matlabTransposeOther Identifier
hi def link matlabNumber Number