Update runtime files.
diff --git a/runtime/syntax/erlang.vim b/runtime/syntax/erlang.vim
index 28bc4a5..f34a004 100644
--- a/runtime/syntax/erlang.vim
+++ b/runtime/syntax/erlang.vim
@@ -1,126 +1,175 @@
" Vim syntax file
-" Language: Erlang
-" Author: Oscar Hellström <oscar@oscarh.net> (http://oscar.hellstrom.st)
-" Contributors: Ricardo Catalinas Jiménez <jimenezrick@gmail.com>
+" Language: Erlang (http://www.erlang.org)
+" Maintainer: Csaba Hoch <csaba.hoch@gmail.com>
+" Former Maintainer: Kreąimir Marľić (Kresimir Marzic) <kmarzic@fly.srk.fer.hr>
+" Last Update: 2013-Mar-07
" License: Vim license
-" Version: 2011/09/11
+" URL: https://github.com/hcs42/vim-erlang
-if exists("b:current_syntax")
- finish
-else
- let b:current_syntax = "erlang"
+" Customization:
+"
+" There are two optional sets of highlighting:
+"
+" 1. The BIFs (built-in functions) are highlighted by default. To disable
+" this, put the following line in your vimrc:
+"
+" let g:erlang_highlight_bifs = 0
+"
+" 2. To enable highlighting some special atoms, put this in your vimrc:
+"
+" let g:erlang_highlight_special_atoms = 1
+
+" For version 5.x: Clear all syntax items
+" For version 6.x: Quit when a syntax file was already loaded
+if version < 600
+ syntax clear
+elseif exists("b:current_syntax")
+ finish
endif
-if !exists("g:erlang_highlight_bif")
- let g:erlang_highlight_bif = 1
-endif
-
-" Erlang is case sensitive
+" Case sensitive
syn case match
-" Match groups
-syn match erlangStringModifier /\\./ contained
-syn match erlangStringModifier /\~\%(-\?[0-9*]\+\)\?\%(\.[0-9*]\+\..\?\)\?\%(c\|f\|e\|g\|s\|w\|p\|W\|P\|B\|X\|#\|b\|+\|n\|i\)/ contained
-syn match erlangModifier /\$\\\?./
-
-syn match erlangInteger /\<\%([0-9]\+#[0-9a-fA-F]\+\|[0-9]\+\)\>/
-syn match erlangFloat /\<[0-9]\+\.[0-9]\+\%(e-\?[0-9]\+\)\?\>/
-
-syn keyword erlangTodo TODO FIXME XXX contained
-syn match erlangComment /%.*$/ contains=@Spell,erlangTodo,erlangAnnotation
-syn match erlangAnnotation /\%(%\s\)\@<=@\%(author\|clear\|copyright\|deprecated\|doc\|docfile\|end\|equiv\|headerfile\|hidden\|private\|reference\|see\|since\|spec\|throws\|title\|todo\|TODO\|type\|version\)/ contained
-syn match erlangAnnotation /`[^']\+'/ contained
-
-syn keyword erlangKeyword band bor bnot bsl bsr bxor div rem xor
-syn keyword erlangKeyword try catch begin receive after cond fun let query
-
-syn keyword erlangConditional case if of end
-syn keyword erlangConditional not and or andalso orelse
-syn keyword erlangConditional when
-
-syn keyword erlangBoolean true false
-
-syn keyword erlangGuard is_list is_alive is_atom is_binary is_bitstring is_boolean is_tuple is_number is_integer is_float is_function is_constant is_pid is_port is_reference is_record is_process_alive
-
-syn match erlangOperator /\/\|*\|+\|-\|++\|--/
-syn match erlangOperator /->\|<-\|||\||\|!\|=/
-syn match erlangOperator /=:=\|==\|\/=\|=\/=\|<\|>\|=<\|>=/
-syn keyword erlangOperator div rem
-
-syn region erlangString start=/"/ end=/"/ skip=/\\/ contains=@Spell,erlangStringModifier
-
-syn match erlangVariable /\<[A-Z_]\w*\>/
-syn match erlangAtom /\%(\%(^-\)\|#\)\@<!\<[a-z][A-Za-z0-9_]*\>\%(\s*[(:]\)\@!/
-syn match erlangAtom /\\\@<!'[^']*\\\@<!'/
-
-syn match erlangRecord /#\w\+/
-
-syn match erlangTuple /{\|}/
-syn match erlangList /\[\|\]/
-
-syn match erlangAttribute /^-\%(vsn\|author\|copyright\|compile\|deprecated\|module\|export\|import\|behaviour\|behavior\|export_type\|ignore_xref\|on_load\)\s*(\@=/
-syn match erlangInclude /^-include\%(_lib\)\?\s*(\@=/
-syn match erlangRecordDef /^-record\s*(\@=/
-syn match erlangDefine /^-\%(define\|undef\)\s*(\@=/
-syn match erlangPreCondit /^-\%(ifdef\|ifndef\|else\|endif\)\%(\s*(\@=\)\?/
-
-syn match erlangType /^-\%(spec\|type\)[( ]\@=/
-
-syn match erlangMacro /\%(-define(\)\@<=\w\+/
-syn match erlangMacro /?\??\w\+/
-
-syn match erlangBitType /\%(\/\|-\)\@<=\%(bits\|bitstring\|binary\|integer\|float\|unit\)\>/
-syn match erlangBitSize /:\@<=[0-9]\+/
-
-syn match erlangBinary /<<\|>>/
-
-" BIFs
-syn match erlangBIF /\%([^:0-9A-Za-z_]\|\<erlang:\)\@<=\%(abs\|apply\|atom_to_binary\|atom_to_list\|binary_part\|binary_to_atom\|binary_to_existing_atom\|binary_to_list\|binary_to_term\|bit_size\|bitstring_to_list\|byte_size\|check_process_code\|date\|delete_module\|demonitor\|disconnect_node\|element\|erase\|exit\|float\|float_to_list\|garbage_collect\|get\|get_keys\|group_leader\|hd\|integer_to_list\|iolist_size\|iolist_to_binary\|is_alive\|is_atom\|is_binary\|is_bitstring\|is_boolean\|is_float\|is_function\|is_integer\|is_list\|is_number\|is_pid\|is_port\|is_process_alive\|is_record\|is_reference\|is_tuple\|length\|link\|list_to_atom\|list_to_binary\|list_to_bitstring\|list_to_existing_atom\|list_to_float\|list_to_integer\|list_to_pid\|list_to_tuple\|load_module\|make_ref\|max\|min\|module_loaded\|monitor\|monitor_node\|node\|nodes\|now\|open_port\|pid_to_list\|port_close\|port_command\|port_connect\|port_control\|pre_loaded\|processes\|process_flag\|process_info\|purge_module\|put\|register\|registered\|round\|self\|setelement\|size\|spawn\|spawn_link\|spawn_monitor\|spawn_opt\|split_binary\|statistics\|term_to_binary\|time\|tl\|trunc\|tuple_size\|tuple_to_list\|unlink\|unregister\|whereis\)\%((\|\/[0-9]\)\@=/
-syn match erlangBIF /\<\%(erlang:\)\@<=\%(append_element\|bump_reductions\|cancel_timer\|decode_packet\|display\|function_exported\|fun_info\|fun_to_list\|get_cookie\|get_stacktrace\|hash\|is_builtin\|loaded\|load_nif\|localtime\|localtime_to_universaltime\|make_tuple\|memory\|monitor_node\|phash\|port_call\|port_info\|ports\|port_to_list\|process_display\|read_timer\|ref_to_list\|resume_process\|send\|send_after\|send_nosuspend\|set_cookie\|start_timer\|suspend_process\|system_flag\|system_info\|system_monitor\|system_profile\|trace\|trace_delivered\|trace_info\|trace_pattern\|universaltime\|universaltime_to_localtime\|yield\)(\@=/
-syn match erlangGBIF /erlang\%(:\w\)\@=/
-
-" Link Erlang stuff to Vim groups
-hi link erlangTodo Todo
-hi link erlangString String
-hi link erlangNoSpellString String
-hi link erlangModifier SpecialChar
-hi link erlangStringModifier SpecialChar
-hi link erlangComment Comment
-hi link erlangAnnotation Special
-hi link erlangVariable Identifier
-hi link erlangInclude Include
-hi link erlangRecordDef Keyword
-hi link erlangAttribute Keyword
-hi link erlangKeyword Keyword
-hi link erlangMacro Macro
-hi link erlangDefine Define
-hi link erlangPreCondit PreCondit
-hi link erlangPreProc PreProc
-hi link erlangDelimiter Delimiter
-hi link erlangBitDelimiter Normal
-hi link erlangOperator Operator
-hi link erlangConditional Conditional
-hi link erlangGuard Conditional
-hi link erlangBoolean Boolean
-hi link erlangAtom Constant
-hi link erlangRecord Structure
-hi link erlangInteger Number
-hi link erlangFloat Number
-hi link erlangFloat Number
-hi link erlangFloat Number
-hi link erlangFloat Number
-hi link erlangHex Number
-hi link erlangFun Keyword
-hi link erlangList Delimiter
-hi link erlangTuple Delimiter
-hi link erlangBinary Keyword
-hi link erlangBitVariable Identifier
-hi link erlangBitType Type
-hi link erlangType Type
-hi link erlangBitSize Number
-
-" Optional highlighting
-if g:erlang_highlight_bif
- hi link erlangBIF Keyword
- hi link erlangGBIF Keyword
+if version >= 600
+ setlocal iskeyword+=$,@-@
endif
+
+" Comments
+syn match erlangComment '%.*$' contains=erlangCommentAnnotation,erlangTodo
+syn match erlangCommentAnnotation ' \@<=@\%(clear\|docfile\|end\|headerfile\|todo\|TODO\|type\|author\|copyright\|doc\|reference\|see\|since\|title\|version\|deprecated\|hidden\|private\|equiv\|spec\|throws\)' contained
+syn match erlangCommentAnnotation /`[^']*'/ contained
+syn keyword erlangTodo TODO FIXME XXX contained
+
+" Numbers (minimum base is 2, maximum is 36.)
+syn match erlangNumberInteger '\<\d\+\>'
+syn match erlangNumberInteger '\<\%([2-9]\|[12]\d\|3[0-6]\)\+#[[:alnum:]]\+\>'
+syn match erlangNumberFloat '\<\d\+\.\d\+\%([eE][+-]\=\d\+\)\=\>'
+
+" Strings, atoms, characters
+syn region erlangString start=/"/ end=/"/ contains=erlangStringModifier
+syn region erlangQuotedAtom start=/'/ end=/'/ contains=erlangQuotedAtomModifier
+syn match erlangStringModifier '\~\a\|\\\%(\o\{1,3}\|x\x\x\|x{\x\+}\|\^.\|.\)' contained
+syn match erlangQuotedAtomModifier '\~\a\|\\\%(\o\{1,3}\|x\x\x\|x{\x\+}\|\^.\|.\)' contained
+syn match erlangModifier '\$\%([^\\]\|\\\%(\o\{1,3}\|x\x\x\|x{\x\+}\|\^.\|.\)\)'
+
+" Operators
+syn match erlangOperator '==\|=:=\|/=\|=/=\|<\|=<\|>\|>=\|++\|--\|=\|!\|<-\|+\|-\|\*\|\/'
+syn keyword erlangOperator div rem or xor bor bxor bsl bsr and band not bnot andalso orelse
+
+" Separators
+syn match erlangSeparator '(\|)\|{\|}\|\[\|]\||\|||\|;\|,\|?\|#'
+syn match erlangRightArrow '->'
+
+" Functions call
+syn match erlangFCall '\<\%(\a[[:alnum:]@]*\s*\.\s*\)*\a[[:alnum:]@]*\s*:\s*\a[[:alnum:]@]*\>'
+
+" Constants and Directives
+syn match erlangDirective '-\%(behaviour\|behavior\|compile\|define\|else\|endif\|export\|file\|ifdef\|ifndef\|import\|include_lib\|include\|module\|record\|undef\|author\|copyright\|doc\|vsn\|on_load\|export_type\)\>'
+
+" Keywords
+syn keyword erlangKeyword after begin case catch cond end fun if let of query receive when try
+syn keyword erlangExtra true false
+
+
+if !exists("g:erlang_highlight_bifs") || g:erlang_highlight_bifs == 1
+
+ " build-in-functions (BIFs)
+ syn keyword erlangBIF abs alive apply atom_to_binary atom_to_list binary_part binary_to_atom binary_to_existing_atom binary_to_float binary_to_integer bitstring_to_list binary_to_list binary_to_term bit_size byte_size check_old_code check_process_code concat_binary date delete_module demonitor disconnect_node element erase error exit float float_to_binary float_to_list garbage_collect get get_keys group_leader halt hd integer_to_binary integer_to_list iolist_to_binary iolist_size is_alive is_atom is_binary is_bitstring is_boolean is_float is_function is_integer is_list is_number is_pid is_port is_process_alive is_record is_reference is_tuple length link list_to_atom list_to_binary list_to_bitstring list_to_existing_atom list_to_float list_to_integer list_to_pid list_to_tuple load_module make_ref max min module_loaded monitor monitor_node node nodes now open_port pid_to_list port_close port_command port_connect pre_loaded process_flag process_flag process_info process purge_module put register registered round self setelement size spawn spawn_link spawn_monitor spawn_opt split_binary statistics term_to_binary throw time tl trunc tuple_size tuple_to_list unlink unregister whereis
+
+endif
+
+
+if exists("g:erlang_highlight_special_atoms") && g:erlang_highlight_special_atoms == 1
+
+ " Processes
+ syn keyword erlangProcess creation current_function dictionary
+ syn keyword erlangProcess group_leader heap_size high initial_call
+ syn keyword erlangProcess linked low memory_in_use message_queue
+ syn keyword erlangProcess net_kernel node normal priority
+ syn keyword erlangProcess reductions registered_name runnable
+ syn keyword erlangProcess running stack_trace status timer
+ syn keyword erlangProcess trap_exit waiting
+
+ " Ports
+ syn keyword erlangPort command count_in count_out creation in
+ syn keyword erlangPort in_format linked node out owner packeting
+
+ " Nodes
+ syn keyword erlangNode atom_tables communicating creation
+ syn keyword erlangNode current_gc current_reductions current_runtime
+ syn keyword erlangNode current_wall_clock distribution_port
+ syn keyword erlangNode entry_points error_handler friends
+ syn keyword erlangNode garbage_collection magic_cookie magic_cookies
+ syn keyword erlangNode module_table monitored_nodes name next_ref
+ syn keyword erlangNode ports preloaded processes reductions
+ syn keyword erlangNode ref_state registry runtime wall_clock
+
+ " Reserved
+ syn keyword erlangReserved apply_lambda module_info module_lambdas
+ syn keyword erlangReserved record record_index record_info
+
+ " Extras
+ syn keyword erlangExtra badarg nocookie
+
+ " Signals
+ syn keyword erlangSignal badsig kill killed exit normal
+endif
+
+" Sync at the beginning of functions: if this is not used, multiline string
+" are not always recognized
+syn sync match erlangSync grouphere NONE "^[a-z]\s*("
+
+" Define the default highlighting.
+" For version 5.7 and earlier: only when not done already
+" For version 5.8 and later: only when an item doesn't have highlighting yet
+if version >= 508 || !exists ("did_erlang_inits")
+ if version < 508
+ let did_erlang_inits = 1
+ command -nargs=+ HiLink hi link <args>
+ else
+ command -nargs=+ HiLink hi def link <args>
+ endif
+
+ " erlang_characters
+ HiLink erlangComment Comment
+ HiLink erlangCommentAnnotation Special
+ HiLink erlangTodo Todo
+ HiLink erlangSeparator Normal
+ HiLink erlangOperator Operator
+ HiLink erlangRightArrow Operator
+
+ HiLink erlangStartString String
+ HiLink erlangString String
+ HiLink erlangStringModifier Special
+
+ HiLink erlangStartQuotedAtom Type
+ HiLink erlangQuotedAtom Type
+ HiLink erlangQuotedAtomModifier Special
+
+ HiLink erlangNumberInteger Number
+ HiLink erlangNumberFloat Float
+ HiLink erlangNumberHex Number
+
+ HiLink erlangModifier Special
+
+ " erlang_functions
+ HiLink erlangFCall Function
+ HiLink erlangBIF Function
+
+ " erlang_keywords
+ HiLink erlangDirective Type
+ HiLink erlangKeyword Keyword
+ HiLink erlangProcess Special
+ HiLink erlangPort Special
+ HiLink erlangNode Special
+ HiLink erlangReserved Statement
+ HiLink erlangExtra Statement
+ HiLink erlangSignal Statement
+
+ delcommand HiLink
+endif
+
+
+let b:current_syntax = "erlang"
+
+" vim: sw=2 et