Small runtime update

3 files changed, 48 insertions, 113 deletions

diff --git a/runtime/doc/todo.txt b/runtime/doc/todo.txt
index e6622af96..f9fa06b42 100644
--- a/runtime/doc/todo.txt
+++ b/runtime/doc/todo.txt
@@ -107,6 +107,9 @@ Brabandt, #2743)
 
 Cursor in wrong position when line wraps. (#2540)
 
+Add an option similar to 'lazyredraw' to skip redrawing while executing a
+script or function.
+
 Alternative manpager.vim. (Enno, 2018 Jan 5, #2529)
 
 Patch to add more flags to :ls. (Marcin Szamotulski, #2751)
diff --git a/runtime/syntax/forth.vim b/runtime/syntax/forth.vim
index 35fafd434..a1912461e 100644
--- a/runtime/syntax/forth.vim
+++ b/runtime/syntax/forth.vim
@@ -1,84 +1,10 @@
 " Vim syntax file
 " Language:    FORTH
-" Maintainer:  Christian V. J. Brüssow <cvjb@cvjb.de>
-" Last Change: So 27 Mai 2012 15:56:28 CEST
+" Current Maintainer:  Johan Kotlinski <kotlinski@gmail.com>
+" Previous Maintainer:  Christian V. J. Brüssow <cvjb@cvjb.de>
+" Last Change: 2018-03-29
 " Filenames:   *.fs,*.ft
-" URL:	       http://www.cvjb.de/comp/vim/forth.vim
-
-" $Id: forth.vim,v 1.14 2012/05/27 15:57:22 bruessow Exp $
-
-" The list of keywords is incomplete, compared with the official ANS
-" wordlist. If you use this language, please improve it, and send me
-" the patches.
-"
-" Before sending me patches, please download the newest version of this file
-" from http://www.cvjb.de/comp/vim/forth.vim or http://www.vim.org/ (search
-" for forth.vim).
-
-" Many Thanks to...
-"
-" 2012-05-13:
-" Dominique Pellé <dominique dot pelle at gmail dot com> for sending the
-" patch to allow spellchecking of strings, comments, ...
-" 
-" 2012-01-07:
-" Thilo Six <T.Six at gmx dot de> send a patch for cpoptions.
-" See the discussion at http://thread.gmane.org/gmane.editors.vim.devel/32151
-"
-" 2009-06-28:
-" Josh Grams send a patch to allow the parenthesis comments at the
-" beginning of a line. That patch also fixed a typo in one of the
-" comments.
-"
-" 2008-02-09:
-" Shawn K. Quinn <sjquinn at speakeasy dot net> send a big patch with
-" new words commonly used in Forth programs or defined by GNU Forth.
-"
-" 2007-07-11:
-" Benjamin Krill <ben at codiert dot org> send me a patch
-" to highlight space errors.
-" You can toggle this feature on through setting the
-" flag forth_space_errors in you vimrc. If you have switched it on,
-" you can turn off highlighting of trailing spaces in comments by
-" setting forth_no_trail_space_error in your vimrc. If you do not want
-" the highlighting of a tabulator following a space in comments, you
-" can turn this off by setting forth_no_tab_space_error.
-"
-" 2006-05-25:
-" Bill McCarthy <WJMc@...> and Ilya Sher <ilya-vim@...>
-" Who found a bug in the ccomment line in 2004!!!
-" I'm really very sorry, that it has taken two years to fix that
-" in the official version of this file. Shame on me.
-" I think my face will be red the next ten years...
-"
-" 2006-05-21:
-" Thomas E. Vaughan <tevaugha at ball dot com> send me a patch
-" for the parenthesis comment word, so words with a trailing
-" parenthesis will not start the highlighting for such comments.
-"
-" 2003-05-10:
-" Andrew Gaul <andrew at gaul.org> send me a patch for
-" forthOperators.
-"
-" 2003-04-03:
-" Ron Aaron <ron at ronware dot org> made updates for an
-" improved Win32Forth support.
-"
-" 2002-04-22:
-" Charles Shattuck <charley at forth dot org> helped me to settle up with the
-" binary and hex number highlighting.
-"
-" 2002-04-20:
-" Charles Shattuck <charley at forth dot org> send me some code for correctly
-" highlighting char and [char] followed by an opening paren. He also added
-" some words for operators, conditionals, and definitions; and added the
-" highlighting for s" and c".
-"
-" 2000-03-28:
-" John Providenza <john at probo dot com> made improvements for the
-" highlighting of strings, and added the code for highlighting hex numbers.
-"
-
+" URL:	       https://github.com/jkotlinski/forth.vim
 
 " quit when a syntax file was already loaded
 if exists("b:current_syntax")
@@ -129,7 +55,10 @@ syn keyword forthOperators F~REL F~ABS F~
 syn keyword forthOperators 0< 0<= 0<> 0= 0> 0>= < <= <> = > >= U< U<=
 syn keyword forthOperators U> U>= D0< D0<= D0<> D0= D0> D0>= D< D<= D<>
 syn keyword forthOperators D= D> D>= DU< DU<= DU> DU>= WITHIN ?NEGATE
-syn keyword forthOperators ?DNEGATE
+syn keyword forthOperators ?DNEGATE TRUE FALSE
+
+" various words that take an input and do something with it
+syn keyword forthFunction . U. .R U.R
 
 " stack manipulations
 syn keyword forthStack DROP NIP DUP OVER TUCK SWAP ROT -ROT ?DUP PICK ROLL
@@ -141,7 +70,7 @@ syn keyword forthRstack 4>R 4R> 4R@ 4RDROP
 syn keyword forthFStack FDROP FNIP FDUP FOVER FTUCK FSWAP FROT
 
 " stack pointer manipulations
-syn keyword forthSP SP@ SP! FP@ FP! RP@ RP! LP@ LP!
+syn keyword forthSP SP@ SP! FP@ FP! RP@ RP! LP@ LP! DEPTH
 
 " address operations
 syn keyword forthMemory @ ! +! C@ C! 2@ 2! F@ F! SF@ SF! DF@ DF!
@@ -150,7 +79,7 @@ syn keyword forthAdrArith FLOAT+ FLOAT FALIGN FALIGNED SFLOATS SFLOAT+
 syn keyword forthAdrArith SFALIGN SFALIGNED DFLOATS DFLOAT+ DFALIGN DFALIGNED
 syn keyword forthAdrArith MAXALIGN MAXALIGNED CFALIGN CFALIGNED
 syn keyword forthAdrArith ADDRESS-UNIT-BITS ALLOT ALLOCATE HERE
-syn keyword forthMemBlks MOVE ERASE CMOVE CMOVE> FILL BLANK
+syn keyword forthMemBlks MOVE ERASE CMOVE CMOVE> FILL BLANK UNUSED
 
 " conditionals
 syn keyword forthCond IF ELSE ENDIF THEN CASE OF ENDOF ENDCASE ?DUP-IF
@@ -159,7 +88,7 @@ syn keyword forthCond ?DUP-0=-IF AHEAD CS-PICK CS-ROLL CATCH THROW WITHIN
 " iterations
 syn keyword forthLoop BEGIN WHILE REPEAT UNTIL AGAIN
 syn keyword forthLoop ?DO LOOP I J K +DO U+DO -DO U-DO DO +LOOP -LOOP
-syn keyword forthLoop UNLOOP LEAVE ?LEAVE EXIT DONE FOR NEXT
+syn keyword forthLoop UNLOOP LEAVE ?LEAVE EXIT DONE FOR NEXT RECURSE
 
 " new words
 syn match forthClassDef '\<:class\s*[^ \t]\+\>'
@@ -174,8 +103,8 @@ syn keyword forthDefine COMPILE-ONLY COMPILE RESTRICT INTERPRET POSTPONE EXECUTE
 syn keyword forthDefine LITERAL CREATE-INTERPRET/COMPILE INTERPRETATION>
 syn keyword forthDefine <INTERPRETATION COMPILATION> <COMPILATION ] LASTXT
 syn keyword forthDefine COMP' POSTPONE, FIND-NAME NAME>INT NAME?INT NAME>COMP
-syn keyword forthDefine NAME>STRING STATE C; CVARIABLE
-syn keyword forthDefine , 2, F, C,
+syn keyword forthDefine NAME>STRING STATE C; CVARIABLE BUFFER: MARKER
+syn keyword forthDefine , 2, F, C, COMPILE,
 syn match forthDefine "\[IFDEF]"
 syn match forthDefine "\[IFUNDEF]"
 syn match forthDefine "\[THEN]"
@@ -196,6 +125,7 @@ syn match forthDefine "'"
 syn match forthDefine '\<\[\>'
 syn match forthDefine "\[']"
 syn match forthDefine '\[COMPILE]'
+syn match forthDefine '\[CHAR]'
 
 " debugging
 syn keyword forthDebug PRINTDEBUGDATA PRINTDEBUGLINE
@@ -206,7 +136,7 @@ syn keyword forthAssembler ASSEMBLER CODE END-CODE ;CODE FLUSH-ICACHE C,
 
 " basic character operations
 syn keyword forthCharOps (.) CHAR EXPECT FIND WORD TYPE -TRAILING EMIT KEY
-syn keyword forthCharOps KEY? TIB CR
+syn keyword forthCharOps KEY? TIB CR BL COUNT SPACE SPACES
 " recognize 'char (' or '[char] (' correctly, so it doesn't
 " highlight everything after the paren as a comment till a closing ')'
 syn match forthCharOps '\<char\s\S\s'
@@ -216,12 +146,15 @@ syn region forthCharOps start=+."\s+ skip=+\\"+ end=+"+
 " char-number conversion
 syn keyword forthConversion <<# <# # #> #>> #S (NUMBER) (NUMBER?) CONVERT D>F
 syn keyword forthConversion D>S DIGIT DPL F>D HLD HOLD NUMBER S>D SIGN >NUMBER
-syn keyword forthConversion F>S S>F
+syn keyword forthConversion F>S S>F HOLDS
 
 " interpreter, wordbook, compiler
 syn keyword forthForth (LOCAL) BYE COLD ABORT >BODY >NEXT >LINK CFA >VIEW HERE
 syn keyword forthForth PAD WORDS VIEW VIEW> N>LINK NAME> LINK> L>NAME FORGET
 syn keyword forthForth BODY> ASSERT( ASSERT0( ASSERT1( ASSERT2( ASSERT3( )
+syn keyword forthForth >IN ACCEPT ENVIRONMENT? EVALUATE QUIT SOURCE ACTION-OF
+syn keyword forthForth DEFER! DEFER@ PARSE PARSE-NAME REFILL RESTORE-INPUT
+syn keyword forthForth SAVE-INPUT SOURCE-ID
 syn region forthForth start=+ABORT"\s+ skip=+\\"+ end=+"+
 
 " vocabularies
@@ -236,16 +169,17 @@ syn keyword forthFileWords KEY?-FILE WRITE-FILE WRITE-LINE EMIT-FILE
 syn keyword forthFileWords FLUSH-FILE FILE-STATUS FILE-POSITION
 syn keyword forthFileWords REPOSITION-FILE FILE-SIZE RESIZE-FILE
 syn keyword forthFileWords SLURP-FILE SLURP-FID STDIN STDOUT STDERR
+syn keyword forthFileWords INCLUDE-FILE INCLUDED REQUIRED
 syn keyword forthBlocks OPEN-BLOCKS USE LOAD --> BLOCK-OFFSET
 syn keyword forthBlocks GET-BLOCK-FID BLOCK-POSITION LIST SCR BLOCK
 syn keyword forthBlocks BUFER EMPTY-BUFFERS EMPTY-BUFFER UPDATE UPDATED?
 syn keyword forthBlocks SAVE-BUFFERS SAVE-BUFFER FLUSH THRU +LOAD +THRU
-syn keyword forthBlocks BLOCK-INCLUDED
+syn keyword forthBlocks BLOCK-INCLUDED BLK
 
 " numbers
 syn keyword forthMath DECIMAL HEX BASE
-syn match forthInteger '\<-\=[0-9.]*[0-9.]\+\>'
-syn match forthInteger '\<&-\=[0-9.]*[0-9.]\+\>'
+syn match forthInteger '\<-\=[0-9]\+.\=\>'
+syn match forthInteger '\<&-\=[0-9]\+.\=\>'
 " recognize hex and binary numbers, the '$' and '%' notation is for gforth
 syn match forthInteger '\<\$\x*\x\+\>' " *1* --- dont't mess
 syn match forthInteger '\<\x*\d\x*\>'  " *2* --- this order!
@@ -253,28 +187,29 @@ syn match forthInteger '\<%[0-1]*[0-1]\+\>'
 syn match forthFloat '\<-\=\d*[.]\=\d\+[DdEe]\d\+\>'
 syn match forthFloat '\<-\=\d*[.]\=\d\+[DdEe][-+]\d\+\>'
 
-" XXX If you find this overkill you can remove it. This has to come after the
+" XXX If you find this overkill you can remove it. this has to come after the
 " highlighting for numbers otherwise it has no effect.
 syn region forthComment start='0 \[if\]' end='\[endif\]' end='\[then\]' contains=forthTodo
 
 " Strings
-syn region forthString start=+\.*\"+ end=+"+ end=+$+ contains=@Spell
+syn region forthString start=+\.*\"+ end=+"+ end=+$+
 " XXX
-syn region forthString start=+s\"+ end=+"+ end=+$+ contains=@Spell
-syn region forthString start=+c\"+ end=+"+ end=+$+ contains=@Spell
+syn region forthString start=+s\"+ end=+"+ end=+$+
+syn region forthString start=+s\\\"+ end=+"+ end=+$+
+syn region forthString start=+c\"+ end=+"+ end=+$+
 
 " Comments
-syn match forthComment '\\\s.*$' contains=@Spell,forthTodo,forthSpaceError
-syn region forthComment start='\\S\s' end='.*' contains=@Spell,forthTodo,forthSpaceError
-syn match forthComment '\.(\s[^)]*)' contains=@Spell,forthTodo,forthSpaceError
-syn region forthComment start='\(^\|\s\)\zs(\s' skip='\\)' end=')' contains=@Spell,forthTodo,forthSpaceError
-syn region forthComment start='/\*' end='\*/' contains=@Spell,forthTodo,forthSpaceError
+syn match forthComment '\\\s.*$' contains=forthTodo,forthSpaceError
+syn region forthComment start='\\S\s' end='.*' contains=forthTodo,forthSpaceError
+syn match forthComment '\.(\s[^)]*)' contains=forthTodo,forthSpaceError
+syn region forthComment start='\(^\|\s\)\zs(\s' skip='\\)' end=')' contains=forthTodo,forthSpaceError
+syn region forthComment start='/\*' end='\*/' contains=forthTodo,forthSpaceError
 
 " Include files
 syn match forthInclude '^INCLUDE\s\+\k\+'
-syn match forthInclude '^require\s\+\k\+'
-syn match forthInclude '^fload\s\+'
-syn match forthInclude '^needs\s\+'
+syn match forthInclude '^REQUIRE\s\+\k\+'
+syn match forthInclude '^FLOAD\s\+'
+syn match forthInclude '^NEEDS\s\+'
 
 " Locals definitions
 syn region forthLocals start='{\s' start='{$' end='\s}' end='^}'
@@ -282,9 +217,6 @@ syn match forthLocals '{ }' " otherwise, at least two spaces between
 syn region forthDeprecated start='locals|' end='|'
 
 " Define the default highlighting.
-" Only when an item doesn't have highlighting yet
-
-" The default methods for highlighting. Can be overridden later.
 hi def link forthTodo Todo
 hi def link forthOperators Operator
 hi def link forthMath Number
@@ -318,11 +250,11 @@ hi def link forthInclude Include
 hi def link forthLocals Type " nothing else uses type and locals must stand out
 hi def link forthDeprecated Error " if you must, change to Type
 hi def link forthFileMode Function
+hi def link forthFunction Function
 hi def link forthFileWords Statement
 hi def link forthBlocks Statement
 hi def link forthSpaceError Error
 
-
 let b:current_syntax = "forth"
 
 let &cpo = s:cpo_save
diff --git a/runtime/syntax/haskell.vim b/runtime/syntax/haskell.vim
index 1adb7ab78..e5128a12a 100644
--- a/runtime/syntax/haskell.vim
+++ b/runtime/syntax/haskell.vim
@@ -1,7 +1,7 @@
 " Vim syntax file
 " Language:		Haskell
 " Maintainer:		Haskell Cafe mailinglist <haskell-cafe@haskell.org>
-" Last Change:		2017 Dec 16
+" Last Change:		2018 Mar 29 by Marcin Szamotulski
 " Original Author:	John Williams <jrw@pobox.com>
 "
 " Thanks to Ryan Crumley for suggestions and John Meacham for
@@ -38,8 +38,8 @@ if exists("b:current_syntax")
 endif
 
 " (Qualified) identifiers (no default highlighting)
-syn match ConId "\(\<[A-Z][a-zA-Z0-9_']*\.\)\=\<[A-Z][a-zA-Z0-9_']*\>"
-syn match VarId "\(\<[A-Z][a-zA-Z0-9_']*\.\)\=\<[a-z][a-zA-Z0-9_']*\>"
+syn match ConId "\(\<[A-Z][a-zA-Z0-9_']*\.\)\=\<[A-Z][a-zA-Z0-9_']*\>" contains=@NoSpell
+syn match VarId "\(\<[A-Z][a-zA-Z0-9_']*\.\)\=\<[a-z][a-zA-Z0-9_']*\>" contains=@NoSpell
 
 " Infix operators--most punctuation characters and any (qualified) identifier
 " enclosed in `backquotes`. An operator starting with : is a constructor,
@@ -56,7 +56,7 @@ syn match hsDelimiter  "(\|)\|\[\|\]\|,\|;\|_\|{\|}"
 syn match   hsSpecialChar	contained "\\\([0-9]\+\|o[0-7]\+\|x[0-9a-fA-F]\+\|[\"\\'&\\abfnrtv]\|^[A-Z^_\[\\\]]\)"
 syn match   hsSpecialChar	contained "\\\(NUL\|SOH\|STX\|ETX\|EOT\|ENQ\|ACK\|BEL\|BS\|HT\|LF\|VT\|FF\|CR\|SO\|SI\|DLE\|DC1\|DC2\|DC3\|DC4\|NAK\|SYN\|ETB\|CAN\|EM\|SUB\|ESC\|FS\|GS\|RS\|US\|SP\|DEL\)"
 syn match   hsSpecialCharError	contained "\\&\|'''\+"
-syn region  hsString		start=+"+  skip=+\\\\\|\\"+  end=+"+  contains=hsSpecialChar
+syn region  hsString		start=+"+  skip=+\\\\\|\\"+  end=+"+  contains=hsSpecialChar,@NoSpell
 syn match   hsCharacter		"[^a-zA-Z0-9_']'\([^\\]\|\\[^']\+\|\\'\)'"lc=1 contains=hsSpecialChar,hsSpecialCharError
 syn match   hsCharacter		"^'\([^\\]\|\\[^']\+\|\\'\)'" contains=hsSpecialChar,hsSpecialCharError
 syn match   hsNumber		"\v<[0-9]%(_*[0-9])*>|<0[xX]_*[0-9a-fA-F]%(_*[0-9a-fA-F])*>|<0[oO]_*%(_*[0-7])*>|<0[bB]_*[01]%(_*[01])*>"
@@ -66,8 +66,8 @@ syn match   hsFloat		"\v<[0-9]%(_*[0-9])*\.[0-9]%(_*[0-9])*%(_*[eE][-+]?[0-9]%(_
 " because otherwise they would match as keywords at the start of a
 " "literate" comment (see lhs.vim).
 syn match hsModule		"\<module\>"
-syn match hsImport		"\<import\>.*"he=s+6 contains=hsImportMod,hsLineComment,hsBlockComment
-syn match hsImportMod		contained "\<\(as\|qualified\|hiding\)\>"
+syn match hsImport		"\<import\>.*"he=s+6 contains=hsImportMod,hsLineComment,hsBlockComment,@NoSpell
+syn match hsImportMod		contained "\<\(as\|qualified\|hiding\)\>" contains=@NoSpell
 syn match hsInfix		"\<\(infix\|infixl\|infixr\)\>"
 syn match hsStructure		"\<\(class\|data\|deriving\|instance\|default\|where\)\>"
 syn match hsTypedef		"\<\(type\|newtype\)\>"
@@ -97,8 +97,8 @@ endif
 
 
 " Comments
-syn match   hsLineComment      "---*\([^-!#$%&\*\+./<=>\?@\\^|~].*\)\?$"
-syn region  hsBlockComment     start="{-"  end="-}" contains=hsBlockComment
+syn match   hsLineComment      "---*\([^-!#$%&\*\+./<=>\?@\\^|~].*\)\?$" contains=@Spell
+syn region  hsBlockComment     start="{-"  end="-}" contains=hsBlockComment,@Spell
 syn region  hsPragma	       start="{-#" end="#-}"
 
 " C Preprocessor directives. Shamelessly ripped from c.vim and trimmed