Update

3 files changed, 51 insertions, 48 deletions

diff --git a/syntax/crystal.vim b/syntax/crystal.vim
index 937361a8..217cb6db 100644
--- a/syntax/crystal.vim
+++ b/syntax/crystal.vim
@@ -1,7 +1,9 @@
 if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'crystal') == -1
 
 " Language: Crystal
-" Maintainer: rhysd <https://rhysd.github.io>
+" Maintainer:
+"   rhysd <https://rhysd.github.io>
+"   Jeffrey Crochet <jlcrochet@pm.me>
 "
 " Based on Ruby syntax highlight
 " which was made by Mirko Nasato and Doug Kearns
diff --git a/syntax/php.vim b/syntax/php.vim
index c1d8bd42..5ad91253 100644
--- a/syntax/php.vim
+++ b/syntax/php.vim
@@ -189,7 +189,7 @@ endif
 
 " set default global php version
 if !exists('g:php_version_id')
-  let g:php_version_id = 70300  
+  let g:php_version_id = 70300
 endif
 
 " set default buffer level php version
@@ -684,68 +684,68 @@ syn case match
 if version >= 704
   if b:php_version_id >= 70300
     " @begin phpHereDoc
-    SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@3<=\z(\I\i*\)$" end="^\s*\z1\>" contained contains=@Spell,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
-    SynFold syn region phpHereDoc matchgroup=Delimiter start=+\(<<<\)\@3<="\z(\I\i*\)"$+ end="^\s*\z1\>" contained contains=@Spell,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
+    SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@3<=\s*\z(\I\i*\)$" end="^\s*\z1\>" contained contains=@Spell,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
+    SynFold syn region phpHereDoc matchgroup=Delimiter start=+\(<<<\)\@3<=\s*"\z(\I\i*\)"$+ end="^\s*\z1\>" contained contains=@Spell,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
     " including HTML,JavaScript,SQL if enabled via options
     if (exists("php_html_in_heredoc") && php_html_in_heredoc)
-      SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@3<=\z(\(\I\i*\)\=\(html\)\c\(\i*\)\)$" end="^\s*\z1\>"  contained contains=@htmlTop,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
-      SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@3<=\z(\(\I\i*\)\=\(javascript\)\c\(\i*\)\)$" end="^\s*\z1\>"  contained contains=@htmlJavascript,phpIdentifierSimply,phpIdentifier,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
+      SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@3<=\s*\z(\(\I\i*\)\=\(html\)\c\(\i*\)\)$" end="^\s*\z1\>"  contained contains=@htmlTop,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
+      SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@3<=\s*\z(\(\I\i*\)\=\(javascript\)\c\(\i*\)\)$" end="^\s*\z1\>"  contained contains=@htmlJavascript,phpIdentifierSimply,phpIdentifier,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
     endif
     if (exists("php_sql_heredoc") && php_sql_heredoc)
-      SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@3<=\z(\(\I\i*\)\=\(sql\)\c\(\i*\)\)$" end="^\s*\z1\>" contained contains=@sqlTop,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
+      SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@3<=\s*\z(\(\I\i*\)\=\(sql\)\c\(\i*\)\)$" end="^\s*\z1\>" contained contains=@sqlTop,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
     endif
     if (exists("php_xml_heredoc") && php_xml_heredoc)
-      SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@3<=\z(\(\I\i*\)\=\(xml\)\c\(\i*\)\)$" end="^\s*\z1\>" contained contains=@xmlTop,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
+      SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@3<=\s*\z(\(\I\i*\)\=\(xml\)\c\(\i*\)\)$" end="^\s*\z1\>" contained contains=@xmlTop,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
     endif
     " @end phpHereDoc
   else
     " @begin phpHereDoc
-    SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@3<=\z(\I\i*\)$" end="^\z1\(;\=$\)\@=" contained contains=@Spell,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
-    SynFold syn region phpHereDoc matchgroup=Delimiter start=+\(<<<\)\@3<="\z(\I\i*\)"$+ end="^\z1\(;\=$\)\@=" contained contains=@Spell,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
+    SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@3<=\s*\z(\I\i*\)$" end="^\z1\(;\=$\)\@=" contained contains=@Spell,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
+    SynFold syn region phpHereDoc matchgroup=Delimiter start=+\(<<<\)\@3<=\s*"\z(\I\i*\)"$+ end="^\z1\(;\=$\)\@=" contained contains=@Spell,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
     " including HTML,JavaScript,SQL if enabled via options
     if (exists("php_html_in_heredoc") && php_html_in_heredoc)
-      SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@3<=\z(\(\I\i*\)\=\(html\)\c\(\i*\)\)$" end="^\z1\(;\=$\)\@="  contained contains=@htmlTop,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
-      SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@3<=\z(\(\I\i*\)\=\(javascript\)\c\(\i*\)\)$" end="^\z1\(;\=$\)\@="  contained contains=@htmlJavascript,phpIdentifierSimply,phpIdentifier,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
+      SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@3<=\s*\z(\(\I\i*\)\=\(html\)\c\(\i*\)\)$" end="^\z1\(;\=$\)\@="  contained contains=@htmlTop,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
+      SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@3<=\s*\z(\(\I\i*\)\=\(javascript\)\c\(\i*\)\)$" end="^\z1\(;\=$\)\@="  contained contains=@htmlJavascript,phpIdentifierSimply,phpIdentifier,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
     endif
     if (exists("php_sql_heredoc") && php_sql_heredoc)
-      SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@3<=\z(\(\I\i*\)\=\(sql\)\c\(\i*\)\)$" end="^\z1\(;\=$\)\@=" contained contains=@sqlTop,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
+      SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@3<=\s*\z(\(\I\i*\)\=\(sql\)\c\(\i*\)\)$" end="^\z1\(;\=$\)\@=" contained contains=@sqlTop,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
     endif
     if (exists("php_xml_heredoc") && php_xml_heredoc)
-      SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@3<=\z(\(\I\i*\)\=\(xml\)\c\(\i*\)\)$" end="^\z1\(;\=$\)\@=" contained contains=@xmlTop,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
+      SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@3<=\s*\z(\(\I\i*\)\=\(xml\)\c\(\i*\)\)$" end="^\z1\(;\=$\)\@=" contained contains=@xmlTop,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
     endif
   " @end phpHereDoc
   endif
 else
   if b:php_version_id >= 70300
     " @copy phpHereDoc strip_maximum_size
-    SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@<=\z(\I\i*\)$" end="^\s*\z1\>" contained contains=@Spell,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
-    SynFold syn region phpHereDoc matchgroup=Delimiter start=+\(<<<\)\@<="\z(\I\i*\)"$+ end="^\s*\z1\>" contained contains=@Spell,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
+    SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@<=\s*\z(\I\i*\)$" end="^\s*\z1\>" contained contains=@Spell,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
+    SynFold syn region phpHereDoc matchgroup=Delimiter start=+\(<<<\)\@<=\s*"\z(\I\i*\)"$+ end="^\s*\z1\>" contained contains=@Spell,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
     " including HTML,JavaScript,SQL if enabled via options
     if (exists("php_html_in_heredoc") && php_html_in_heredoc)
-      SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@<=\z(\(\I\i*\)\=\(html\)\c\(\i*\)\)$" end="^\s*\z1\>"  contained contains=@htmlTop,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
-      SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@<=\z(\(\I\i*\)\=\(javascript\)\c\(\i*\)\)$" end="^\s*\z1\>"  contained contains=@htmlJavascript,phpIdentifierSimply,phpIdentifier,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
+      SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@<=\s*\z(\(\I\i*\)\=\(html\)\c\(\i*\)\)$" end="^\s*\z1\>"  contained contains=@htmlTop,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
+      SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@<=\s*\z(\(\I\i*\)\=\(javascript\)\c\(\i*\)\)$" end="^\s*\z1\>"  contained contains=@htmlJavascript,phpIdentifierSimply,phpIdentifier,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
     endif
     if (exists("php_sql_heredoc") && php_sql_heredoc)
-      SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@<=\z(\(\I\i*\)\=\(sql\)\c\(\i*\)\)$" end="^\s*\z1\>" contained contains=@sqlTop,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
+      SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@<=\s*\z(\(\I\i*\)\=\(sql\)\c\(\i*\)\)$" end="^\s*\z1\>" contained contains=@sqlTop,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
     endif
     if (exists("php_xml_heredoc") && php_xml_heredoc)
-      SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@<=\z(\(\I\i*\)\=\(xml\)\c\(\i*\)\)$" end="^\s*\z1\>" contained contains=@xmlTop,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
+      SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@<=\s*\z(\(\I\i*\)\=\(xml\)\c\(\i*\)\)$" end="^\s*\z1\>" contained contains=@xmlTop,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
     endif
     " @end phpHereDoc
   else
     " @copy phpHereDoc strip_maximum_size
-    SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@<=\z(\I\i*\)$" end="^\z1\(;\=$\)\@=" contained contains=@Spell,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
-    SynFold syn region phpHereDoc matchgroup=Delimiter start=+\(<<<\)\@<="\z(\I\i*\)"$+ end="^\z1\(;\=$\)\@=" contained contains=@Spell,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
+    SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@<=\s*\z(\I\i*\)$" end="^\z1\(;\=$\)\@=" contained contains=@Spell,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
+    SynFold syn region phpHereDoc matchgroup=Delimiter start=+\(<<<\)\@<=\s*"\z(\I\i*\)"$+ end="^\z1\(;\=$\)\@=" contained contains=@Spell,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
     " including HTML,JavaScript,SQL if enabled via options
     if (exists("php_html_in_heredoc") && php_html_in_heredoc)
-      SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@<=\z(\(\I\i*\)\=\(html\)\c\(\i*\)\)$" end="^\z1\(;\=$\)\@="  contained contains=@htmlTop,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
-      SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@<=\z(\(\I\i*\)\=\(javascript\)\c\(\i*\)\)$" end="^\z1\(;\=$\)\@="  contained contains=@htmlJavascript,phpIdentifierSimply,phpIdentifier,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
+      SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@<=\s*\z(\(\I\i*\)\=\(html\)\c\(\i*\)\)$" end="^\z1\(;\=$\)\@="  contained contains=@htmlTop,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
+      SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@<=\s*\z(\(\I\i*\)\=\(javascript\)\c\(\i*\)\)$" end="^\z1\(;\=$\)\@="  contained contains=@htmlJavascript,phpIdentifierSimply,phpIdentifier,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
     endif
     if (exists("php_sql_heredoc") && php_sql_heredoc)
-      SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@<=\z(\(\I\i*\)\=\(sql\)\c\(\i*\)\)$" end="^\z1\(;\=$\)\@=" contained contains=@sqlTop,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
+      SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@<=\s*\z(\(\I\i*\)\=\(sql\)\c\(\i*\)\)$" end="^\z1\(;\=$\)\@=" contained contains=@sqlTop,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
     endif
     if (exists("php_xml_heredoc") && php_xml_heredoc)
-      SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@<=\z(\(\I\i*\)\=\(xml\)\c\(\i*\)\)$" end="^\z1\(;\=$\)\@=" contained contains=@xmlTop,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
+      SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@<=\s*\z(\(\I\i*\)\=\(xml\)\c\(\i*\)\)$" end="^\z1\(;\=$\)\@=" contained contains=@xmlTop,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
     endif
     " @end phpHereDoc
   endif
@@ -755,66 +755,66 @@ endif
 if version >= 704
   if b:php_version_id >= 70300
   " @begin phpNowDoc
-    SynFold syn region phpNowDoc matchgroup=Delimiter start=+\(<<<\)\@3<='\z(\I\i*\)'$+ end="^\s*\z1\>" contained keepend extend
+    SynFold syn region phpNowDoc matchgroup=Delimiter start=+\(<<<\)\@3<=\s*'\z(\I\i*\)'$+ end="^\s*\z1\>" contained keepend extend
     " including HTML,JavaScript,SQL if enabled via options
     if (exists("php_html_in_nowdoc") && php_html_in_nowdoc)
-      SynFold syn region phpNowDoc matchgroup=Delimiter start=+\(<<<\)\@3<='\z(\(\I\i*\)\=\(html\)\c\(\i*\)\)'$+ end="^\s*\z1\>" contained contains=@htmlTop,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
-      SynFold syn region phpNowDoc matchgroup=Delimiter start=+\(<<<\)\@3<='\z(\(\I\i*\)\=\(javascript\)\c\(\i*\)\)'$+ end="^\s*\z1\>" contained contains=@htmlJavascript,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
+      SynFold syn region phpNowDoc matchgroup=Delimiter start=+\(<<<\)\@3<=\s*'\z(\(\I\i*\)\=\(html\)\c\(\i*\)\)'$+ end="^\s*\z1\>" contained contains=@htmlTop,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
+      SynFold syn region phpNowDoc matchgroup=Delimiter start=+\(<<<\)\@3<=\s*'\z(\(\I\i*\)\=\(javascript\)\c\(\i*\)\)'$+ end="^\s*\z1\>" contained contains=@htmlJavascript,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
     endif
     if (exists("php_sql_nowdoc") && php_sql_nowdoc)
-      SynFold syn region phpNowDoc matchgroup=Delimiter start=+\(<<<\)\@3<='\z(\(\I\i*\)\=\(sql\)\c\(\i*\)\)'$+ end="^\s*\z1\>" contained contains=@sqlTop,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
+      SynFold syn region phpNowDoc matchgroup=Delimiter start=+\(<<<\)\@3<=\s*'\z(\(\I\i*\)\=\(sql\)\c\(\i*\)\)'$+ end="^\s*\z1\>" contained contains=@sqlTop,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
     endif
     if (exists("php_xml_nowdoc") && php_xml_nowdoc)
-      SynFold syn region phpNowDoc matchgroup=Delimiter start=+\(<<<\)\@3<='\z(\(\I\i*\)\=\(xml\)\c\(\i*\)\)'$+ end="^\s*\z1\>" contained contains=@xmlTop,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
+      SynFold syn region phpNowDoc matchgroup=Delimiter start=+\(<<<\)\@3<=\s*'\z(\(\I\i*\)\=\(xml\)\c\(\i*\)\)'$+ end="^\s*\z1\>" contained contains=@xmlTop,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
     endif
   " @end phpNowDoc
   else
     " @begin phpNowDoc
-    SynFold syn region phpNowDoc matchgroup=Delimiter start=+\(<<<\)\@3<='\z(\I\i*\)'$+ end="^\z1\(;\=$\)\@=" contained keepend extend
+    SynFold syn region phpNowDoc matchgroup=Delimiter start=+\(<<<\)\@3<=\s*'\z(\I\i*\)'$+ end="^\z1\(;\=$\)\@=" contained keepend extend
     " including HTML,JavaScript,SQL if enabled via options
     if (exists("php_html_in_nowdoc") && php_html_in_nowdoc)
-      SynFold syn region phpNowDoc matchgroup=Delimiter start=+\(<<<\)\@3<='\z(\(\I\i*\)\=\(html\)\c\(\i*\)\)'$+ end="^\z1\(;\=$\)\@=" contained contains=@htmlTop,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
-      SynFold syn region phpNowDoc matchgroup=Delimiter start=+\(<<<\)\@3<='\z(\(\I\i*\)\=\(javascript\)\c\(\i*\)\)'$+ end="^\z1\(;\=$\)\@=" contained contains=@htmlJavascript,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
+      SynFold syn region phpNowDoc matchgroup=Delimiter start=+\(<<<\)\@3<=\s*'\z(\(\I\i*\)\=\(html\)\c\(\i*\)\)'$+ end="^\z1\(;\=$\)\@=" contained contains=@htmlTop,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
+      SynFold syn region phpNowDoc matchgroup=Delimiter start=+\(<<<\)\@3<=\s*'\z(\(\I\i*\)\=\(javascript\)\c\(\i*\)\)'$+ end="^\z1\(;\=$\)\@=" contained contains=@htmlJavascript,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
     endif
     if (exists("php_sql_nowdoc") && php_sql_nowdoc)
-      SynFold syn region phpNowDoc matchgroup=Delimiter start=+\(<<<\)\@3<='\z(\(\I\i*\)\=\(sql\)\c\(\i*\)\)'$+ end="^\z1\(;\=$\)\@=" contained contains=@sqlTop,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
+      SynFold syn region phpNowDoc matchgroup=Delimiter start=+\(<<<\)\@3<=\s*'\z(\(\I\i*\)\=\(sql\)\c\(\i*\)\)'$+ end="^\z1\(;\=$\)\@=" contained contains=@sqlTop,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
     endif
     if (exists("php_xml_nowdoc") && php_xml_nowdoc)
-      SynFold syn region phpNowDoc matchgroup=Delimiter start=+\(<<<\)\@3<='\z(\(\I\i*\)\=\(xml\)\c\(\i*\)\)'$+ end="^\z1\(;\=$\)\@=" contained contains=@xmlTop,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
+      SynFold syn region phpNowDoc matchgroup=Delimiter start=+\(<<<\)\@3<=\s*'\z(\(\I\i*\)\=\(xml\)\c\(\i*\)\)'$+ end="^\z1\(;\=$\)\@=" contained contains=@xmlTop,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
     endif
     " @end phpNowDoc
   endif
 else
   if b:php_version_id >= 70300
     " @copy phpHereDoc strip_maximum_size
-    SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@<=\z(\I\i*\)$" end="^\s*\z1\>" contained contains=@Spell,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
-    SynFold syn region phpHereDoc matchgroup=Delimiter start=+\(<<<\)\@<="\z(\I\i*\)"$+ end="^\s*\z1\>" contained contains=@Spell,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
+    SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@<=\s*\z(\I\i*\)$" end="^\s*\z1\>" contained contains=@Spell,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
+    SynFold syn region phpHereDoc matchgroup=Delimiter start=+\(<<<\)\@<=\s*"\z(\I\i*\)"$+ end="^\s*\z1\>" contained contains=@Spell,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
     " including HTML,JavaScript,SQL if enabled via options
     if (exists("php_html_in_heredoc") && php_html_in_heredoc)
-      SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@<=\z(\(\I\i*\)\=\(html\)\c\(\i*\)\)$" end="^\s*\z1\>"  contained contains=@htmlTop,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
-      SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@<=\z(\(\I\i*\)\=\(javascript\)\c\(\i*\)\)$" end="^\s*\z1\>"  contained contains=@htmlJavascript,phpIdentifierSimply,phpIdentifier,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
+      SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@<=\s*\z(\(\I\i*\)\=\(html\)\c\(\i*\)\)$" end="^\s*\z1\>"  contained contains=@htmlTop,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
+      SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@<=\s*\z(\(\I\i*\)\=\(javascript\)\c\(\i*\)\)$" end="^\s*\z1\>"  contained contains=@htmlJavascript,phpIdentifierSimply,phpIdentifier,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
     endif
     if (exists("php_sql_heredoc") && php_sql_heredoc)
-      SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@<=\z(\(\I\i*\)\=\(sql\)\c\(\i*\)\)$" end="^\s*\z1\>" contained contains=@sqlTop,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
+      SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@<=\s*\z(\(\I\i*\)\=\(sql\)\c\(\i*\)\)$" end="^\s*\z1\>" contained contains=@sqlTop,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
     endif
     if (exists("php_xml_heredoc") && php_xml_heredoc)
-      SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@<=\z(\(\I\i*\)\=\(xml\)\c\(\i*\)\)$" end="^\s*\z1\>" contained contains=@xmlTop,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
+      SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@<=\s*\z(\(\I\i*\)\=\(xml\)\c\(\i*\)\)$" end="^\s*\z1\>" contained contains=@xmlTop,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
     endif
     " @end phpNowDoc
   else
     " @copy phpHereDoc strip_maximum_size
-    SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@<=\z(\I\i*\)$" end="^\z1\(;\=$\)\@=" contained contains=@Spell,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
-    SynFold syn region phpHereDoc matchgroup=Delimiter start=+\(<<<\)\@<="\z(\I\i*\)"$+ end="^\z1\(;\=$\)\@=" contained contains=@Spell,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
+    SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@<=\s*\z(\I\i*\)$" end="^\z1\(;\=$\)\@=" contained contains=@Spell,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
+    SynFold syn region phpHereDoc matchgroup=Delimiter start=+\(<<<\)\@<=\s*"\z(\I\i*\)"$+ end="^\z1\(;\=$\)\@=" contained contains=@Spell,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
     " including HTML,JavaScript,SQL if enabled via options
     if (exists("php_html_in_heredoc") && php_html_in_heredoc)
-      SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@<=\z(\(\I\i*\)\=\(html\)\c\(\i*\)\)$" end="^\z1\(;\=$\)\@="  contained contains=@htmlTop,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
-      SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@<=\z(\(\I\i*\)\=\(javascript\)\c\(\i*\)\)$" end="^\z1\(;\=$\)\@="  contained contains=@htmlJavascript,phpIdentifierSimply,phpIdentifier,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
+      SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@<=\s*\z(\(\I\i*\)\=\(html\)\c\(\i*\)\)$" end="^\z1\(;\=$\)\@="  contained contains=@htmlTop,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
+      SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@<=\s*\z(\(\I\i*\)\=\(javascript\)\c\(\i*\)\)$" end="^\z1\(;\=$\)\@="  contained contains=@htmlJavascript,phpIdentifierSimply,phpIdentifier,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
     endif
     if (exists("php_sql_heredoc") && php_sql_heredoc)
-      SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@<=\z(\(\I\i*\)\=\(sql\)\c\(\i*\)\)$" end="^\z1\(;\=$\)\@=" contained contains=@sqlTop,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
+      SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@<=\s*\z(\(\I\i*\)\=\(sql\)\c\(\i*\)\)$" end="^\z1\(;\=$\)\@=" contained contains=@sqlTop,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
     endif
     if (exists("php_xml_heredoc") && php_xml_heredoc)
-      SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@<=\z(\(\I\i*\)\=\(xml\)\c\(\i*\)\)$" end="^\z1\(;\=$\)\@=" contained contains=@xmlTop,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
+      SynFold syn region phpHereDoc matchgroup=Delimiter start="\(<<<\)\@<=\s*\z(\(\I\i*\)\=\(xml\)\c\(\i*\)\)$" end="^\z1\(;\=$\)\@=" contained contains=@xmlTop,phpIdentifier,phpIdentifierSimply,phpIdentifierComplex,phpSpecialChar,phpMethodsVar,phpStrEsc keepend extend
     endif
     " @end phpNowDoc
   endif
diff --git a/syntax/slim.vim b/syntax/slim.vim
index 24b50a02..d2ba2e0a 100644
--- a/syntax/slim.vim
+++ b/syntax/slim.vim
@@ -73,6 +73,7 @@ syn region slimJavascriptFilter matchgroup=slimFilter start="^\z(\s*\)javascript
 syn region slimCoffeeFilter matchgroup=slimFilter start="^\z(\s*\)coffee:\s*$" end="^\%(\z1 \| *$\)\@!" contains=@coffeeAll,slimInterpolation keepend
 syn region slimCSSFilter matchgroup=slimFilter start="^\z(\s*\)css:\s*$" end="^\%(\z1 \| *$\)\@!" contains=@htmlCss,slimInterpolation keepend
 syn region slimSassFilter matchgroup=slimFilter start="^\z(\s*\)sass:\s*$" end="^\%(\z1 \| *$\)\@!" contains=@hamlSassTop
+syn region slimRubyFilter matchgroup=slimFilter start="^\z(\s*\)ruby:\s*$" end="^\%(\z1 \| *$\)\@!" contains=@slimRubyTop keepend
 
 syn region slimRuby matchgroup=slimRubyOutputChar start="\s*[=]\==[']\=" skip="\%\(,\s*\|\\\)$" end="$" contained contains=@slimRubyTop keepend
 syn region slimRuby matchgroup=slimRubyChar       start="\s*-"           skip="\%\(,\s*\|\\\)$" end="$" contained contains=@slimRubyTop keepend