--- a/vendor/vim-syntax/coffee.vim	Thu Jun 04 17:48:28 2015 +0900
+++ b/vendor/vim-syntax/coffee.vim	Thu Jun 04 18:25:29 2015 +0900
@@ -32,7 +32,7 @@
 syn match coffeeException /\<\%(try\|catch\|finally\)\>/ display
 hi def link coffeeException Exception
 
-syn match coffeeKeyword /\<\%(new\|in\|of\|by\|and\|or\|not\|is\|isnt\|class\|extends\|super\|do\)\>/
+syn match coffeeKeyword /\<\%(new\|in\|of\|by\|and\|or\|not\|is\|isnt\|class\|extends\|super\|do\|yield\)\>/
 \                       display
 " The `own` keyword is only a keyword after `for`.
 syn match coffeeKeyword /\<for\s\+own\>/ contained containedin=coffeeRepeat
@@ -92,7 +92,7 @@
 hi def link coffeeString String
 
 " A integer, including a leading plus or minus
-syn match coffeeNumber /\%(\i\|\$\)\@<![-+]\?\d\+\%([eE][+-]\?\d\+\)\?/ display
+syn match coffeeNumber /\%(\i\|\$\)\@<![-+]\?\d\+\%(e[+-]\?\d\+\)\?/ display
 " A hex, binary, or octal number
 syn match coffeeNumber /\<0[xX]\x\+\>/ display
 syn match coffeeNumber /\<0[bB][01]\+\>/ display
@@ -107,7 +107,7 @@
 
 " An error for reserved keywords, taken from the RESERVED array:
 " http://coffeescript.org/documentation/docs/lexer.html#section-67
-syn match coffeeReservedError /\<\%(case\|default\|function\|var\|void\|with\|const\|let\|enum\|export\|import\|native\|__hasProp\|__extends\|__slice\|__bind\|__indexOf\|implements\|interface\|package\|private\|protected\|public\|static\|yield\)\>/
+syn match coffeeReservedError /\<\%(case\|default\|function\|var\|void\|with\|const\|let\|enum\|export\|import\|native\|__hasProp\|__extends\|__slice\|__bind\|__indexOf\|implements\|interface\|package\|private\|protected\|public\|static\)\>/
 \                             display
 hi def link coffeeReservedError Error