diff --git a/runtime/syntax/krl.vim b/runtime/syntax/krl.vim
new file mode 100644
index 0000000..a507908
--- /dev/null
+++ b/runtime/syntax/krl.vim
@@ -0,0 +1,458 @@
+" Vim syntax file
+" Language: Kuka Robot Language
+" Maintainer: Patrick Meiser-Knosowski <knosowski@graeffrobotics.de>
+" Version: 3.0.0
+" Last Change: 18. Apr 2022
+" Credits: Thanks for contributions to this to Michael Jagusch
+"          Thanks for beta testing to Thomas Baginski
+"
+" Note to self:
+" for testing perfomance
+"     open a 1000 lines file.
+"     :syntime on
+"     G
+"     hold down CTRL-U until reaching top
+"     :syntime report
+
+" Init {{{
+if exists("b:current_syntax")
+  finish
+endif
+
+let s:keepcpo = &cpo
+set cpo&vim
+
+" if colorscheme is tortus(less)? krlGroupName defaults to 1
+if get(g:, 'colors_name', " ") =~ '\<tortus'
+      \&& !exists("g:krlGroupName")
+  let g:krlGroupName=1 
+endif
+" krlGroupName defaults to 0 if it's not initialized yet or 0
+if !get(g:, "krlGroupName", 0)
+  let g:krlGroupName = 0 
+endif
+
+" krl does ignore case
+syn case ignore
+" take #, $ and & into keyword (syntax only)
+syn iskeyword @,48-57,_,192-255,#,$,&
+" spell checking
+syn spell notoplevel
+" }}} init
+
+" Comment and Folding {{{ 
+
+" Special Comment
+
+" TODO Comment
+syn keyword krlTodo contained TODO FIXME XXX
+highlight default link krlTodo Todo
+
+" Debug Comment
+syn keyword krlDebug contained DEBUG
+highlight default link krlDebug Debug
+
+" Comment
+" none move fold comment until second ;
+syn match krlFoldComment /\c\v^\s*;\s*%(end)?fold>[^;]*/ containedin=krlFold contains=krlSingleQuoteString,krlInteger,krlFloat,krlMovement,krlDelimiter,krlBoolean
+highlight default link krlFoldComment Comment
+
+" move fold comment until second ;
+syn match krlMoveFoldComment /\c\v^\s*;\s*fold>[^;]*<s?%(ptp|lin|circ|spl)(_rel)?>[^;]*/ containedin=krlFold contains=krlInteger,krlFloat,krlMovement,krlDelimiter
+highlight default link krlMoveFoldComment Comment
+
+" things to highlight in a fold line
+syn keyword krlFoldHighlights CONT IN SYN OUT containedin=krlFoldComment
+syn match krlFoldHighlights /\c\v<(M|F|E|A|t|i|bin|binin|UP|SPSMAKRO)\d+>/ containedin=krlFoldComment
+if g:krlGroupName
+  highlight default link krlFoldHighlights Sysvars
+else
+  " default color for Fold Highlights
+endif
+syn keyword krlVkrcFoldConstants EIN AUS containedin=krlFoldComment
+highlight default link krlVkrcFoldConstants Boolean
+
+" Comment without Fold, also includes endfold lines and fold line part after second ;
+syn match krlComment /\c\v;\s*%(<%(end)?fold>)@!.*$/ containedin=krlFold contains=krlTodo,krlDebug,@Spell
+" Commented out Fold line: "; ;FOLD PTP..."
+syn match krlComment /\c\v^\s*;\s*;.*$/ contains=krlTodo,krlDebug
+highlight default link krlComment Comment
+
+if has("conceal") && get(g:, 'krlConcealFoldTail', 1)
+  syn match krlConcealFoldTail /\c\v(^\s*;\s*fold[^;]*)@250<=;%(--|\s*<fold>|\s*<endfold>)@!.*$/ transparent containedin=krlComment conceal cchar=*
+endif
+" }}} Comment and Folding 
+
+" Header {{{
+syn match krlHeader /&\a\w*/
+highlight default link krlHeader PreProc
+" }}} Header
+
+" Operator {{{
+" Boolean operator
+syn keyword krlBoolOperator and or exor not b_and b_or b_exor b_not
+highlight default link krlBoolOperator Operator
+" Arithmetic operator
+syn match krlArithOperator /[+-]/ containedin=krlFloat
+syn match krlArithOperator /[*/]/
+highlight default link krlArithOperator Operator
+" Compare operator
+syn match krlCompOperator /[<>=]/
+highlight default link krlCompOperator Operator
+" Geometric operator
+" Do not move the : operator
+" Must be present befor krlParamdef
+syn match krlGeomOperator /[:]/ 
+" syn match krlGeomOperator /[:]/ containedin=krlLabel,krlParamdef
+highlight default link krlGeomOperator Operator
+" }}} Operator
+
+" Type, StorageClass and Typedef {{{
+" Simple data types
+syn keyword krlType bool char real int containedin=krlAnyType
+" External program and function
+syn keyword krlType ext extfct extfctp extp containedin=krlAnyType
+" Communication
+syn keyword krlType signal channel containedin=krlAnyType
+highlight default link krlType Type
+" StorageClass
+syn keyword krlStorageClass decl global const struc enum
+highlight default link krlStorageClass StorageClass
+" .dat file public
+syn keyword krlDatStorageClass public
+highlight default link krlDatStorageClass StorageClass
+" Parameter StorageClass
+" Do not move the :in/:out
+" Must be present after krlGeomOperator
+syn match krlParamdef /[:]\s*in\>/
+syn match krlParamdef /[:]\s*out\>/
+highlight default link krlParamdef StorageClass
+" Not a typedef but I like to have those highlighted
+" different then types, structures or strorage classes
+syn keyword krlTypedef DEF DEFFCT ENDFCT DEFDAT ENDDAT
+syn match krlTypedef /^\s*END\>/
+highlight default link krlTypedef Typedef
+" }}} Type, StorageClass and Typedef
+
+" Delimiter {{{
+syn match krlDelimiter /[\[\](),\\]/
+highlight default link krlDelimiter Delimiter
+" }}} Delimiter
+
+" Constant values {{{
+" Boolean
+syn keyword krlBoolean true false containedin=krlStructVal
+highlight default link krlBoolean Boolean
+" Binary integer
+syn match krlBinaryInt /'b[01]\+'/ containedin=krlStructVal
+highlight default link krlBinaryInt Number
+" Hexadecimal integer
+syn match krlHexInt /'h[0-9a-fA-F]\+'/ containedin=krlStructVal
+highlight default link krlHexInt Number
+" Integer
+syn match krlInteger /\W\@1<=[+-]\?\d\+/ containedin=krlStructVal,krlFloat contains=krlArithOperator
+highlight default link krlInteger Number
+" Float
+syn match krlFloat /\v\W@1<=[+-]?\d+\.?\d*%(\s*[eE][+-]?\d+)?/ containedin=krlStructVal
+highlight default link krlFloat Float
+" String
+syn region krlString start=/"/ end=/"/ oneline containedin=krlStructVal contains=@Spell
+highlight default link krlString String
+syn match krlSpecialChar /[|]/ containedin=krlString
+highlight default link krlSpecialChar SpecialChar
+" String within a fold line
+syn region krlSingleQuoteString start=/'/ end=/'/ oneline contained contains=@Spell
+highlight default link krlSingleQuoteString String
+" Enum
+syn match krlEnumVal /#\s*\a\w*/ containedin=krlStructVal
+highlight default link krlEnumVal Constant
+" }}} Constant values
+
+" Predefined Structure and Enum {{{
+" Predefined structures and enums found in
+" /r1/mada/$*.dat, /r1/steu/$*.dat and
+" /r1/system/$config.dat as well as
+" basisTech, gripperTech and spotTech
+"
+" Predefined data types found in krc1
+syn keyword krlStructure servopara keymove powermodul trace techangle tech techfct techcps techfctctrl axis_inc axis_cal date display_var pro_ip con bus 
+syn keyword krlEnum ident_state sig_state move_state async_state emt_mode boxmode msg_prm_typ msg_typ cmd_stat asys trace_state trace_mode direction techsys techgeoref techclass techmode hpu_key_val pro_state eax transsys mode_move cosys device rotsys emstop cause_t 
+"
+" Predefined data types found in kss functions
+syn keyword krlEnum ediagstate rdc_fs_state ret_c_psync_e var_type cancel_psync_e sys_vars 
+syn keyword krlStructure siginf rw_rdc_file rw_mam_file diagpar_t error_t stopmess case_sense_t msgbuf_t e3pos e3axis diagopt_t 
+"
+" Predefined structures for movement
+syn keyword krlStructure frame e6pos pos e6axis axis
+syn keyword krlStructure fdat ldat pdat
+syn keyword krlStructure load inertia
+"
+" Predefined structures for shapes
+syn keyword krlStructure axbox cylinder box
+"
+" Predefined structures and enums found in /r1/mada/$machine.dat
+syn keyword krlStructure cp fra acc_car jerk_struc dhart spin trpspin ex_kin et_ax maxtool
+syn keyword krlEnum individual_mames supply_voltage kinclass main_axis wrist_axis sw_onoff
+"
+" Predefined structures and enums found in /r1/mada/$robcor.dat
+" syn keyword krlStructure
+syn keyword krlEnum adap_acc model_type control_parameter eko_mode
+"
+" Predefined structures and enums found in /steu/mada/$custom.dat
+syn keyword krlStructure pro_io_t ser ext_mod_t coop_krc ws_config bin_type coop_update_t ldc_reaction
+syn keyword krlEnum axis_of_coordinates spline_para_variant target_status cp_vel_type cp_statmon
+"
+" Predefined structures and enums found in /steu/mada/$machine.dat
+syn keyword krlStructure emstop_path boxstatesafein boxstatesafeout
+syn keyword krlEnum digincode
+"
+" Predefined structures and enums found in /steu/mada/$option.dat
+syn keyword krlStructure msg_t
+" syn keyword krlEnum
+"
+" Predefined structures and enums found in /r1/system/$config.dat
+" BasisTech
+syn keyword krlStructure dig_out_type ctrl_in_t ctrl_out_t fct_out_t fct_in_t odat basis_sugg_t out_sugg_t md_state machine_def_t machine_tool_t machine_frame_t trigger_para constvel_para condstop_para adat tm_sugg_t tqm_tqdat_t sps_prog_type
+syn keyword krlEnum bas_command out_modetype ipo_m_t apo_mode_t funct_type p00_command timer_actiontype
+"
+" GripperTech
+syn keyword krlStructure grp_typ grp_types grp_sugg_t
+syn keyword krlEnum on_off_typ apo_typ
+"
+" SpotTech
+syn keyword krlStructure spot_type spot_sugg_t
+syn keyword krlEnum s_command s_pair_slct command_retr
+"
+" VW
+syn keyword krlStructure vw_mpara_typ zangentyp zangenbedingung ibszangentyp last_ibs_typ verr_typ verrcheck_t t_fb_state kollisionsdaten state_t modus_t
+syn keyword krlEnum synctype dir_typ subtype ari_typ bool_typ vw_command ibgn_command vw_user_cmd move_types adv_t_type bas_type ibs_mode_typ vw_user_cmd pro_mode mode_op
+"
+" ProgCoop
+syn keyword krlStructure ydat
+" syn keyword krlEnum
+"
+" bas.src
+syn keyword krlStructure cont
+syn keyword krlEnum esys ipo_mode circ_mode circ_type ori_type var_state
+"
+" MsgLib.src
+syn keyword krlStructure KrlMsg_T KrlMsgParType_T KrlMsgPar_T KrlMsgOpt_T KrlMsgDlgSK_T
+syn keyword krlEnum EKrlMsgType
+"
+highlight default link krlStructure Structure
+highlight default link krlEnum Structure
+" }}} Predefined Structure and Enum
+
+" System variable {{{
+syn match krlSysvars /\<\$\a[a-zA-Z0-9_.]*/
+if g:krlGroupName
+  highlight default link krlSysvars Sysvars
+else
+  " default color for Sysvars
+endif
+" }}} System variable
+
+" Statements, keywords et al {{{
+" continue
+syn keyword krlContinue continue
+if g:krlGroupName
+  highlight default link krlContinue Continue
+else
+  highlight default link krlContinue Statement
+endif
+" interrupt 
+syn match krlStatement /\v\c%(<global>\s+)?<INTERRUPT>%(\s+<decl>)?/ contains=krlStorageClass
+" keywords
+syn keyword krlStatement wait on off enable disable stop trigger with when distance onstart delay do prio import is minimum maximum confirm on_error_proceed
+syn match krlStatement /\v\c%(<wait\s+)@7<=<sec>/
+syn match krlStatement /\v\c%(<when\s+)@7<=<path>/
+highlight default link krlStatement Statement
+" Conditional
+syn keyword krlConditional if then else endif switch case default endswitch skip endskip
+highlight default link krlConditional Conditional
+" Repeat
+syn keyword krlRepeat for to step endfor while endwhile repeat until loop endloop exit
+highlight default link krlRepeat Repeat
+" Label
+syn keyword krlLabel goto
+syn match krlLabel /^\s*\w\+:\ze\s*\%(;.*\)\?$/
+highlight default link krlLabel Label
+" Keyword
+syn keyword krlKeyword anin anout digin
+highlight default link krlKeyword Keyword
+" Exception
+syn keyword krlException return resume halt
+highlight default link krlException Exception
+" }}} Statements, keywords et al
+
+" special keywords for movement commands {{{
+syn keyword krlMovement PTP PTP_REL LIN LIN_REL CIRC CIRC_REL SPL SPL_REL SPTP SPTP_REL SLIN SLIN_REL SCIRC SCIRC_REL
+syn keyword krlMovement ASYPTP ASYCONT ASYSTOP ASYCANCEL MOVE_EMI
+syn match krlMovement /\v\c^\s*<BRAKE(\s+F)?>/
+if g:krlGroupName
+  highlight default link krlMovement Movement
+else
+  highlight default link krlMovement Special
+endif
+" movement modifiers
+syn match krlMoveBlockInst /\c\v^\s*TIME_BLOCK\s+(START|PART|END)/
+syn match krlMoveBlockInst /\c\v^\s*CONST_VEL\s+(START|END)/
+syn keyword krlMoveBlockInst ptp_spline spline endspline
+highlight default link krlMoveBlockInst Statement
+syn keyword krlMoveMod ca c_ptp c_dis c_vel c_ori c_spl
+if g:krlGroupName
+  highlight default link krlMoveMod Movement
+else
+  highlight default link krlMoveMod Special
+endif
+" }}} special keywords for movement commands
+
+" Structure value {{{
+" avoid coloring structure component names
+syn match krlNames /\.[a-zA-Z_][.a-zA-Z0-9_$]*/
+syn match krlNames contained /[a-zA-Z_][.a-zA-Z0-9_$]*/
+" highlight default link krlNames None
+" Structure value
+syn region krlStructVal start=/{/ end=/}/ oneline containedin=krlStructVal contains=krlNames
+highlight default link krlStructVal Delimiter
+" }}} Structure value
+
+" BuildInFunction {{{
+syn keyword krlBuildInFunction contained Pulse
+syn keyword krlBuildInFunction contained m_comment
+syn keyword krlBuildInFunction contained is_key_pressed 
+syn keyword krlBuildInFunction contained set_opt_filter 
+syn keyword krlBuildInFunction contained timer_limit 
+syn keyword krlBuildInFunction contained tool_adj 
+syn keyword krlBuildInFunction contained FRand 
+syn keyword krlBuildInFunction contained ExecFunc eb_test EB EK EO LK mbx_rec 
+" safe robot
+syn keyword krlbuildinfunction contained get_AxesMask get_BrakeTest_Time
+" math
+syn keyword krlBuildInFunction contained Abs Sin Cos Acos Tan Atan Atan2 Sqrt
+syn keyword krlBuildInFunction contained Forward Inverse inv_pos
+" cFoo sFoo
+syn keyword krlBuildInFunction contained cClose cOpen cRead cWrite sRead sWrite 
+" string
+syn keyword krlBuildInFunction contained StrToBool StrToInt StrToReal StrToString StrToFrame StrToPos StrToE3Pos StrToE6Pos StrToAxis StrToE3Axis StrToE6Axis 
+syn keyword krlBuildInFunction contained StrAdd StrClear StrCopy StrComp StrFind StrLen StrDeclLen StrToBool StrToInt StrToReal StrToString
+" diag
+syn keyword krlBuildInFunction contained diag_start diag_stop get_DiagState 
+" rdc mam pid
+syn keyword krlBuildInFunction contained CheckPidOnRdc check_mam_on_rdc get_rdc_fs_state 
+syn keyword krlBuildInFunction contained set_mam_on_hd copy_mam_hd_to_rdc copy_mam_rdc_to_hd 
+syn keyword krlBuildInFunction contained PidToHd PidToRdc 
+syn keyword krlBuildInFunction contained cal_to_rdc rdc_file_to_hd 
+syn keyword krlBuildInFunction contained delete_pid_on_rdc delete_rdc_content 
+syn keyword krlBuildInFunction contained create_rdc_archive restore_rdc_archive 
+" ioctl
+syn keyword krlBuildInFunction contained IOCtl cIOCtl 
+syn keyword krlBuildInFunction contained WSpaceGive WSpaceTake 
+" sync
+syn keyword krlBuildInFunction contained Sync SyncCmd CancelProgSync 
+" remote
+syn keyword krlBuildInFunction contained RemoteCmd RemoteRead 
+" msg/dlg
+syn keyword krlBuildInFunction contained IsMessageSet clear_KrlMsg get_MsgBuffer exists_KrlDlg exists_KrlMsg set_KrlDlg set_KrlDlgAnswer set_KrlMsg 
+" robvers
+syn keyword krlBuildInFunction contained maximize_UsedxRobvers set_UsedxRobvers 
+" md_foo
+syn keyword krlBuildInFunction contained md_Cmd md_GetState md_SetState md_Asgn 
+" emi
+syn keyword krlBuildInFunction contained emi_ActPos emi_EndPos emi_StartPos emi_RecState emi_RecName 
+" var
+syn keyword krlBuildInFunction contained cast_from cast_to
+syn keyword krlBuildInFunction contained GetVarsize GetCycDef get_sig_inf get_decl_place VarType VarState 
+" sys
+syn keyword krlBuildInFunction contained GetSysState get_system_data set_system_data set_system_data_delayed 
+" err
+syn keyword krlBuildInFunction contained err_clear err_raise
+" motion
+syn keyword krlBuildInFunction contained delete_backward_buffer rob_stop rob_stop_release set_brake_delay suppress_repositioning VectorMoveOn VectorMoveOff
+" torque
+syn keyword krlBuildInFunction contained set_torque_limits reset_torque_limits
+" krc1
+syn keyword krlBuildInFunction contained cLcopy cCurpos cNew cClear cRelease cKey
+if g:krlGroupName
+  highlight default link krlBuildInFunction BuildInFunction
+else
+  highlight default link krlBuildInFunction Function
+endif
+" }}} BuildInFunction
+
+" Function {{{
+syn match krlFunction /[a-zA-Z_]\w* *(/me=e-1 contains=krlBuildInFunction
+highlight default link krlFunction Function
+" }}} Function
+
+" Error {{{
+if get(g:, 'krlShowError', 1)
+  " some more or less common typos
+  "
+  " vars or funcs >24 chars are not possible in krl. a234567890123456789012345
+  syn match krlError0 /\w\{25,}/ containedin=krlFunction,krlNames,krlLabel,krlAnyType,krlEnumVal,krlSysvars
+  "
+  " should be interrupt (on|off) \w+
+  syn match krlError1 /\vinterrupt[ \t(]+[_$a-zA-Z0-9]+[_$a-zA-Z0-9.\[\]()+\-*/]*[ \t)]+o%(n|ff)>/
+  "
+  " for bla==5 to 7...
+  "        ||
+  syn match krlError3 /\v%(^\s*for%(\(|\s)+[_$a-zA-Z]+[_$a-zA-Z0-9.\[\]()+\-*/ ]*\s*)@<=[:=]\=/
+  "
+  " TODO optimize performance
+  " wait for a=b
+  "           |
+  syn match krlError4 /\v%(^\s*%(return|wait\s+for|if|while|until|%(global\s+)?interrupt\s+decl)>[^;]+[^;<>=])@<=\=[^=]/
+  "
+  " wait for a><b
+  "           ||
+  syn match krlError5 /\v%(^\s*%(return|wait\s+for|if|while|until|%(global\s+)?interrupt\s+decl)>[^;]+)@<=\>\s*\</
+  "
+  " if (a==5) (b==6) ...
+  "         |||
+  syn match krlError6 /\v%(^\s*%(return|wait\s+for|if|while|until|%(global\s+)?interrupt\s+decl)>[^;]+[^;])@<=\)\s*\(/
+  "
+  " TODO optimize performance
+  " a == b + 1
+  " a := b + 1
+  "   ||
+  syn match krlError7 /\v%(^\s*%(return|wait\s+for|if|while|until|%(global\s+)?interrupt\s+decl)>[^;]+[^;])@1<!%(^\s*[_$a-zA-Z]+[_$a-zA-Z0-9.\[\],+\-*/]*\s*)@<=[:=]\=/
+  syn match krlError7 /\v\c%(^\s*%(decl\s+)%(global\s+)?%(const\s+)?\w+\s+\w+\s*)@<=[:=]\=/
+  syn match krlError7 /\v\c%(^\s*%(decl\s+)?%(global\s+)?%(const\s+)?%(bool\s+|int\s+|real\s+|char\s+)\w+\s*)@<=[:=]\=/
+  "
+  " this one is tricky. Make sure this does not match trigger instructions; OK, next try, now search for false positives
+  " TODO optimize performance
+  " a = b and c or (int1=int2)
+  "                     |
+  syn match krlError8 /\v(^\s*[_$a-zA-Z]+[_$a-zA-Z0-9.\[\]()+\-*/]*\s*\=[^;]*[^;<>=])@<=\=\ze[^=]/
+  "
+  " <(distance|delay|prio)> :=
+  " <(distance|delay|prio)> ==
+  "                         ||
+  syn match krlError9 /\v(^[^;]*<(distance|delay|prio|minimum|maximum)\s*)@<=[:=]\=/
+  "
+  " 'for', 'while' or 'repeat' followed by 'do'
+  syn match krlError10 /\c\v^\s*(until|while|for)>[^;]*<do>/
+  "
+  highlight default link krlError0 Error
+  highlight default link krlError1 Error
+  highlight default link krlError2 Error
+  highlight default link krlError3 Error
+  highlight default link krlError4 Error
+  highlight default link krlError5 Error
+  highlight default link krlError6 Error
+  highlight default link krlError7 Error
+  highlight default link krlError8 Error
+  highlight default link krlError9 Error
+  highlight default link krlError10 Error
+endif
+" }}} Error
+
+" Finish {{{
+let &cpo = s:keepcpo
+unlet s:keepcpo
+
+let b:current_syntax = "krl"
+" }}} Finish
+
+" vim:sw=2 sts=2 et fdm=marker
diff --git a/runtime/syntax/openscad.vim b/runtime/syntax/openscad.vim
new file mode 100644
index 0000000..1e20c74
--- /dev/null
+++ b/runtime/syntax/openscad.vim
@@ -0,0 +1,129 @@
+" Vim syntax file
+" Language:		OpenSCAD
+" Maintainer:	Niklas Adam <adam@oddodd.org>
+" Last change:	2022-04-15
+"
+"
+" From salkin-mada/openscad.nvim
+" Building on the work of Sirtaj Singh Kang and others for vim-openscad
+"
+
+" quit when a syntax file was already loaded
+if exists("b:current_syntax")
+	finish
+endif
+
+syntax case ignore
+
+setlocal iskeyword=a-z,A-Z,48-57,_
+
+syn match openscadAoperator "{"
+syn match openscadAoperator "}"
+syn match openscadLi "\["
+syn match openscadLi "\]"
+syn match openscadPar "("
+syn match openscadPar ")"
+
+syn match openscadSpecialVariable "\$[a-zA-Z_]\+\>" display
+syn match openscadModifier "^\s*[\*\!\#\%]" display
+
+syn match openscadBinaryoperator "+"
+syn match openscadBinaryoperator "-"
+syn match openscadBinaryoperator "*"
+syn match openscadBinaryoperator "/"
+syn match openscadBinaryoperator "%"
+syn match openscadBinaryoperator "\*\*"
+syn match openscadBinaryoperator "<"
+syn match openscadBinaryoperator "<="
+syn match openscadBinaryoperator ">"
+syn match openscadBinaryoperator ">="
+syn match openscadBinaryoperator "="
+syn match openscadBinaryoperator "=="
+syn match openscadBinaryoperator "==="
+syn match openscadBinaryoperator "!="
+syn match openscadBinaryoperator "!=="
+syn match openscadBinaryoperator "&"
+syn match openscadBinaryoperator "|"
+syn match openscadBinaryoperator "<!"
+syn match openscadBinaryoperator "?"
+syn match openscadBinaryoperator "??"
+syn match openscadBinaryoperator "!?"
+syn match openscadBinaryoperator "!"
+syn match openscadBinaryoperator "#"
+syn match openscadBinaryoperator "_"
+syn match openscadBinaryoperator "\.\."
+syn match openscadBinaryoperator "\.\.\."
+syn match openscadBinaryoperator "`"
+syn match openscadBinaryoperator ":"
+
+syn keyword openscadFunctionDef function nextgroup=openscadFunction skipwhite skipempty
+syn match openscadFunction /\<\h\w*\>/ contained display
+
+syn keyword openscadModuleDef module nextgroup=openscadModule skipwhite skipempty
+syn match openscadModule /\<\h\w*\>/ contained display
+
+syn keyword openscadStatement echo assign let assert
+syn keyword openscadConditional if else
+syn keyword openscadRepeat for intersection_for
+syn keyword openscadInclude include use
+syn keyword openscadCsgKeyword union difference intersection render intersection_for
+syn keyword openscadTransform scale rotate translate resize mirror multmatrix color minkowski hull projection linear_extrude rotate_extrude offset
+syn keyword openscadPrimitiveSolid cube sphere cylinder polyhedron surface
+syn keyword openscadPrimitive2D square circle polygon import_dxf text
+syn keyword openscadPrimitiveImport import child children
+
+syn match openscadNumbers "\<\d\|\.\d" contains=openscadNumber display transparent
+syn match openscadNumber "\d\+" display contained 
+syn match openscadNumber "\.\d\+" display contained 
+
+syn region openscadString start=/"/ skip=/\\"/ end=/"/
+
+syn keyword openscadBoolean true false
+
+syn keyword openscadCommentTodo TODO FIXME XXX NOTE contained display
+syn match openscadInlineComment ://.*$: contains=openscadCommentTodo
+syn region openscadBlockComment start=:/\*: end=:\*/: fold contains=openscadCommentTodo
+
+syn region openscadBlock start="{" end="}" transparent fold
+syn region openscadVector start="\[" end="\]" transparent fold
+
+syn keyword openscadBuiltin abs acos asin atan atan2 ceil cos exp floor ln log
+syn keyword openscadBuiltin lookup max min pow rands round sign sin sqrt tan
+syn keyword openscadBuiltin str len search version version_num concat chr ord cross norm
+syn keyword openscadBuiltin parent_module
+syn keyword openscadBuiltin dxf_cross dxf_dim
+syn keyword openscadBuiltinSpecial PI undef
+
+"""""""""""""""""""""""""""""""""""""""""
+" linkage
+"""""""""""""""""""""""""""""""""""""""""
+hi def link openscadFunctionDef			Structure
+hi def link openscadAoperator 			Function
+hi def link openscadLi 		 			Function
+" hi def link openscadPar 	 			Structure
+hi def link openscadBuiltinSpecial 		Special
+hi def link openscadBinaryoperator 		Special
+hi def link openscadFunction			Function
+hi def link openscadModuleDef			Structure
+hi def link openscadModule			    Function
+hi def link openscadBlockComment		Comment
+hi def link openscadBoolean			    Boolean
+hi def link openscadBuiltin			    Function
+hi def link openscadConditional			Conditional
+hi def link openscadCsgKeyword			Structure
+hi def link openscadInclude			    Include
+hi def link openscadInlineComment	    Comment
+hi def link openscadModifier			Special
+hi def link openscadStatement			Statement
+hi def link openscadNumbers			    Number
+hi def link openscadNumber			    Number
+hi def link openscadPrimitiveSolid		Keyword
+hi def link openscadPrimitive2D 		Keyword
+hi def link openscadPrimitiveImport 	Keyword
+hi def link openscadRepeat			    Repeat
+hi def link openscadSpecialVariable		Special
+hi def link openscadString			    String
+hi def link openscadTransform			Statement
+hi def link openscadCommentTodo			Todo
+
+let b:current_syntax = 'openscad'
diff --git a/runtime/syntax/synload.vim b/runtime/syntax/synload.vim
index 728b653..70e2d88 100644
--- a/runtime/syntax/synload.vim
+++ b/runtime/syntax/synload.vim
@@ -1,6 +1,6 @@
 " Vim syntax support file
 " Maintainer:	Bram Moolenaar <Bram@vim.org>
-" Last Change:	2020 Apr 13
+" Last Change:	2022 Apr 12
 
 " This file sets up for syntax highlighting.
 " It is loaded from "syntax.vim" and "manual.vim".
diff --git a/runtime/syntax/syntax.vim b/runtime/syntax/syntax.vim
index 4cb0288..55a2ee6 100644
--- a/runtime/syntax/syntax.vim
+++ b/runtime/syntax/syntax.vim
@@ -1,6 +1,6 @@
 " Vim syntax support file
 " Maintainer:	Bram Moolenaar <Bram@vim.org>
-" Last Change:	2001 Sep 04
+" Last Change:	2022 Apr 12
 
 " This file is used for ":syntax on".
 " It installs the autocommands and starts highlighting for all buffers.
diff --git a/runtime/syntax/vim.vim b/runtime/syntax/vim.vim
index 3854b01..f98b2d4 100644
--- a/runtime/syntax/vim.vim
+++ b/runtime/syntax/vim.vim
@@ -1,8 +1,8 @@
 " Vim syntax file
 " Language:	Vim 8.2 script
 " Maintainer:	Charles E. Campbell <NcampObell@SdrPchip.AorgM-NOSPAM>
-" Last Change:	April 08, 2022
-" Version:	8.2-33
+" Last Change:	April 10, 2022
+" Version:	8.2-34
 " URL:	http://www.drchip.org/astronaut/vim/index.html#SYNTAX_VIM
 " Automatically generated keyword lists: {{{1
 
@@ -74,7 +74,7 @@
 syn keyword vimGroup contained	Comment Constant String Character Number Boolean Float Identifier Function Statement Conditional Repeat Label Operator Keyword Exception PreProc Include Define Macro PreCondit Type StorageClass Structure Typedef Special SpecialChar Tag Delimiter SpecialComment Debug Underlined Ignore Error Todo
 
 " Default highlighting groups {{{2
-syn keyword vimHLGroup contained	ColorColumn Cursor CursorColumn CursorIM CursorLine CursorLineFold CursorLineNr CursorLineSign DiffAdd DiffChange DiffDelete DiffText Directory EndOfBuffer ErrorMsg FoldColumn Folded IncSearch LineNr LineNrAbove LineNrBelow MatchParen Menu ModeMsg MoreMsg NonText Normal Pmenu PmenuSbar PmenuSel PmenuThumb Question QuickFixLine Scrollbar Search SignColumn SpecialKey SpellBad SpellCap SpellLocal SpellRare StatusLine StatusLineNC StatusLineTerm TabLine TabLineFill TabLineSel Terminal Title Tooltip VertSplit Visual VisualNOS WarningMsg WildMenu
+syn keyword vimHLGroup contained	ColorColumn CurSearch Cursor CursorColumn CursorIM CursorLine CursorLineFold CursorLineNr CursorLineSign DiffAdd DiffChange DiffDelete DiffText Directory EndOfBuffer ErrorMsg FoldColumn Folded IncSearch LineNr LineNrAbove LineNrBelow MatchParen Menu ModeMsg MoreMsg NonText Normal Pmenu PmenuSbar PmenuSel PmenuThumb Question QuickFixLine Scrollbar Search SignColumn SpecialKey SpellBad SpellCap SpellLocal SpellRare StatusLine StatusLineNC StatusLineTerm TabLine TabLineFill TabLineSel Terminal Title Tooltip VertSplit Visual VisualNOS WarningMsg WildMenu
 syn match vimHLGroup contained	"Conceal"
 syn case match