Update Dockerfile highlight definitions

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

contrib/syntax/kate/Dockerfile.xml

@@ -9,23 +9,25 @@
           license="GPL">
   <highlighting>
     <list name="keywords">
+      <item> ADD </item>
+      <item> ARG </item>
+      <item> CMD </item>
+      <item> COPY </item>
+      <item> ENTRYPOINT </item>
+      <item> ENV </item>
+      <item> EXPOSE </item>
       <item> FROM </item>
+      <item> HEALTHCHECK </item>
+      <item> LABEL </item>
       <item> MAINTAINER </item>
-      <item> ENV </item>
-      <item> RUN </item>
       <item> ONBUILD </item>
-      <item> COPY </item>
-      <item> ADD </item>
+      <item> RUN </item>
+      <item> SHELL </item>
+      <item> STOPSIGNAL </item>
+      <item> USER </item>
       <item> VOLUME </item>
-      <item> EXPOSE </item>
-      <item> ENTRYPOINT </item>
-      <item> CMD </item>
       <item> WORKDIR </item>
-      <item> USER </item>
-      <item> LABEL </item>
-      <item> STOPSIGNAL </item>
     </list>
-
     <contexts>
       <context name="normal" attribute="Normal" lineEndContext="#stay">
         <DetectSpaces/>
@@ -35,23 +37,19 @@
         <DetectChar attribute="String" context="string&quot;" char="&quot;"/>
         <DetectChar attribute="String" context="string'" char="'"/>
       </context>
-
       <context attribute="Comment" lineEndContext="#pop" name="Comment">
         <LineContinue attribute="Comment" context="#stay" />
       </context>
-
       <context name="string&quot;" attribute="String" lineEndContext="#pop">
         <LineContinue attribute="Operator" context="#stay"/>
         <DetectChar attribute="String" context="#pop" char="&quot;"/>
         <DetectChar attribute="Operator" context="dollar" char="$"/>
       </context>
-
       <context name="string'" attribute="String" lineEndContext="#pop">
         <LineContinue attribute="String" context="#stay"/>
         <DetectChar attribute="String" context="#pop" char="'"/>
         <DetectChar attribute="Operator" context="dollar" char="$"/>
       </context>
-
     </contexts>
     <itemDatas>
       <itemData name="Normal"    defStyleNum="dsNormal" spellChecking="0"/>
@@ -67,4 +65,3 @@
   </general>
 </language>
 <!-- kate: space-indent on; indent-width 2; replace-tabs on; -->
-

contrib/syntax/nano/Dockerfile.nanorc

@@ -2,7 +2,7 @@
 syntax "Dockerfile" "Dockerfile[^/]*$"
 
 ## Keywords
-icolor red "^(FROM|MAINTAINER|RUN|CMD|LABEL|EXPOSE|ENV|ADD|COPY|ENTRYPOINT|VOLUME|USER|WORKDIR|ONBUILD)[[:space:]]"
+icolor red "^(ONBUILD\s+)?(ADD|ARG|CMD|COPY|ENTRYPOINT|ENV|EXPOSE|FROM|HEALTHCHECK|LABEL|MAINTAINER|RUN|SHELL|STOPSIGNAL|USER|VOLUME|WORKDIR)[[:space:]]"
 
 ## Brackets & parenthesis
 color brightgreen "(\(|\)|\[|\])"

contrib/syntax/textmate/Docker.tmbundle/Syntaxes/Dockerfile.tmLanguage

@@ -25,7 +25,7 @@
 				</dict>
 			</dict>
 			<key>match</key>
-			<string>^\s*(?:(ONBUILD)\s+)?(FROM|MAINTAINER|RUN|EXPOSE|ENV|ADD|VOLUME|USER|WORKDIR|COPY|LABEL|STOPSIGNAL|ARG)\s</string>
+			<string>^\s*(?:(ONBUILD)\s+)?(ADD|ARG|CMD|COPY|ENTRYPOINT|ENV|EXPOSE|FROM|HEALTHCHECK|LABEL|MAINTAINER|RUN|SHELL|STOPSIGNAL|USER|VOLUME|WORKDIR)\s</string>
 		</dict>
 		<dict>
 			<key>captures</key>

contrib/syntax/vim/syntax/dockerfile.vim

@@ -11,7 +11,7 @@ let b:current_syntax = "dockerfile"
 
 syntax case ignore
 
-syntax match dockerfileKeyword /\v^\s*(ONBUILD\s+)?(ADD|CMD|ENTRYPOINT|ENV|EXPOSE|FROM|MAINTAINER|RUN|USER|LABEL|VOLUME|WORKDIR|COPY|STOPSIGNAL|ARG)\s/
+syntax match dockerfileKeyword /\v^\s*(ONBUILD\s+)?(ADD|ARG|CMD|COPY|ENTRYPOINT|ENV|EXPOSE|FROM|HEALTHCHECK|LABEL|MAINTAINER|RUN|SHELL|STOPSIGNAL|USER|VOLUME|WORKDIR)\s/
 highlight link dockerfileKeyword Keyword
 
 syntax region dockerfileString start=/\v"/ skip=/\v\\./ end=/\v"/