Use old version of vim repository, fixes #779

closes #780

syntax/plantuml.vim

@@ -2,7 +2,6 @@ if polyglot#init#is_disabled(expand('<sfile>:p'), 'plantuml', 'syntax/plantuml.v
   finish
 endif
 
-scriptencoding utf-8
 " Vim syntax file
 " Language:     PlantUML
 " License:      VIM LICENSE

syntax/solidity.vim

@@ -120,11 +120,11 @@ syn region    solFuncModParens    contained contains=solString,solFuncCall,solCo
       \ end=')'
 syn keyword   solFuncReturn       contained nextgroup=solFuncRetParens skipwhite skipempty returns
 syn region    solFuncRetParens    contains=solValueType,solFuncStorageType nextgroup=solFuncBody skipempty skipwhite
-      \ start='(' 
-      \ end=')' 
+      \ start='('
+      \ end=')'
 syn region    solFuncBody         contained contains=solDestructure,solComment,solAssemblyBlock,solEmitEvent,solTypeCast,solMethod,solValueType,solConstant,solKeyword,solRepeat,solLabel,solException,solStructure,solFuncStorageType,solOperator,solNumber,solString,solFuncCall,solIf,solElse,solLoop skipempty skipwhite
-      \ start='{' 
-      \ end='}' 
+      \ start='{'
+      \ end='}'
 syn match     solFuncCall         contained skipempty skipwhite nextgroup=solCallOptions,solFuncCallParens
       \ '\v%(%(<if>|<uint>|<int>|<ufixed>|<bytes>|<address>|<string>|<bool>)\s*)@<!<[a-zA-Z_][0-9a-zA-Z_]*\s*%((\{(\n|.|\s)*\})?\s*(\((\n|.|\s)*\)))@='
 syn region    solFuncCallParens   contained transparent contains=solComment,solString,solFuncCall,solConstant,solNumber,solMethod,solTypeCast,solComma,solOperator
@@ -185,6 +185,12 @@ hi def link   solEventName        Function
 hi def link   solEventParamMod    Keyword
 hi def link   solEmitEvent        Special
 
+" Errors
+syn match     solError            /\<error\>/ nextgroup=solErrorName,solFuncParams skipwhite
+syn match     solErrorName        /\<[a-zA-Z_][0-9a-zA-Z_]*/ nextgroup=solFuncParam contained skipwhite
+
+hi def link   solErrorName        Function
+
 " Constants
 syn keyword   solConstant         true false wei szabo finney ether seconds minutes hours days weeks years now super
 syn keyword   solConstant         block msg now tx this abi