vim-patch:75ab590f8504 (#18170)

Update runtime files
https://github.com/vim/vim/commit/75ab590f8504a8912ca0b8c58f6b897bb7a34f07

omit builtin.txt change to `expand()` (depends on 8.2.4726)

4 files changed, 589 insertions, 2 deletions

diff --git a/runtime/syntax/krl.vim b/runtime/syntax/krl.vim
new file mode 100644
index 0000000000..a50790841e
--- /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 0000000000..1e20c743c4
--- /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 bfcd3b06da..b88cd95103 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 f274d93f4f..ac7dc314b9 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.