patch 8.2.2602: Vim9: continue doesn't work if :while is very first command

Problem:    Vim9: continue doesn't work if :while is very first command.
            (Yegappan Lakshmanan)
Solution:   Add one to the continue instruction index.

Filelist

@@ -13,7 +13,8 @@ SRC_ALL =	\
 		.hgignore \
 		.lgtm.yml \
 		.travis.yml \
-		appveyor.yml \
+		.appveyor.yml \
+		.codecov.yml \
 		ci/appveyor.bat \
 		ci/build-snd-dummy.sh \
 		ci/config.mk*.sed \

runtime/doc/change.txt

@@ -1,4 +1,4 @@
-*change.txt*    For Vim version 8.2.  Last change: 2021 Jan 21
+*change.txt*    For Vim version 8.2.  Last change: 2021 Mar 01
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -649,6 +649,8 @@ For other systems the tmpnam() library function is used.
 			The space between `:substitute` and the 'c', 'g',
 			'i', 'I' and 'r' flags isn't required, but in scripts
 			it's a good idea to keep it to avoid confusion.
+			Also see the two and three letter commands to repeat
+			:substitute below |:substitute-repeat|.
 
 :[range]~[&][flags] [count]					*:~*
 			Repeat last substitute with same substitute string
@@ -877,20 +879,26 @@ either the first or second pattern in parentheses did not match, so either
 		*:sge* *:sgi* *:sgI* *:sgl* *:sgn* *:sgp* *:sgr* *:sI* *:si*
 		*:sic* *:sIc* *:sie* *:sIe* *:sIg* *:sIl* *:sin* *:sIn* *:sIp*
 		*:sip* *:sIr* *:sir* *:sr* *:src* *:srg* *:sri* *:srI* *:srl*
-		*:srn* *:srp*
+		*:srn* *:srp* *:substitute-repeat*
 2-letter and 3-letter :substitute commands ~
 
+These commands repeat the previous `:substitute` command with the given flags.
+The first letter is always "s", followed by one or two of the possible flag
+characters.  For example `:sce` works like `:s///ce`.  The table lists the
+possible combinations, not all flags are possible, because the command is
+short for another command.
+
      List of :substitute commands
      |      c    e    g    i    I    n    p    l    r
-     | c  :sc  :sce :scg :sci :scI :scn :scp :scl  ---
+     | c  :sc  :sce :scg :sci :scI :scn :scp :scl
      | e
      | g  :sgc :sge :sg  :sgi :sgI :sgn :sgp :sgl :sgr
-     | i  :sic :sie  --- :si  :siI :sin :sip  --- :sir
+     | i  :sic :sie      :si  :siI :sin :sip      :sir
      | I  :sIc :sIe :sIg :sIi :sI  :sIn :sIp :sIl :sIr
      | n
      | p
      | l
-     | r  :src  --- :srg :sri :srI :srn :srp :srl :sr
+     | r  :src      :srg :sri :srI :srn :srp :srl :sr
 
 Exceptions:
      :scr  is  `:scriptnames`

runtime/doc/eval.txt

@@ -1,4 +1,4 @@
-*eval.txt*	For Vim version 8.2.  Last change: 2021 Feb 10
+*eval.txt*	For Vim version 8.2.  Last change: 2021 Mar 10
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -5300,6 +5300,9 @@ getcharpos({expr})
 		Get the position for {expr}. Same as |getpos()| but the column
 		number in the returned List is a character index instead of
 		a byte index.
+		If |getpos()| returns a very large column number, such as
+		2147483647, then getcharpos() will return the character index
+		of the last character.
 
 		Example:
 		With the cursor on '세' in line 5 with text "여보세요": >
@@ -5779,6 +5782,8 @@ getpos({expr})	Get the position for {expr}.  For possible values of {expr}
 		The column number in the returned List is the byte position
 		within the line. To get the character position in the line,
 		use |getcharpos()|
+		The column number can be very large, e.g. 2147483647, in which
+		case it means "after the end of the line".
 		This can be used to save and restore the position of a mark: >
 			let save_a_mark = getpos("'a")
 			...
@@ -7450,7 +7455,8 @@ matchaddpos({group}, {pos} [, {priority} [, {id} [, {dict}]]])
 		to be used when fast match additions and deletions are
 		required, for example to highlight matching parentheses.
 
-		The list {pos} can contain one of these items:
+		{pos} is a list of positions.  Each position can be one of
+		these:
 		- A number.  This whole line will be highlighted.  The first
 		  line has number 1.
 		- A list with one number, e.g., [23]. The whole line with this
@@ -7463,7 +7469,7 @@ matchaddpos({group}, {pos} [, {priority} [, {id} [, {dict}]]])
 		- A list with three numbers, e.g., [23, 11, 3]. As above, but
 		  the third number gives the length of the highlight in bytes.
 
-		The maximum number of positions is 8.
+		The maximum number of positions in {pos} is 8.
 
 		Example: >
 			:highlight MyGroup ctermbg=green guibg=green
@@ -7472,8 +7478,7 @@ matchaddpos({group}, {pos} [, {priority} [, {id} [, {dict}]]])
 			:call matchdelete(m)
 
 <		Matches added by |matchaddpos()| are returned by
-		|getmatches()| with an entry "pos1", "pos2", etc., with the
-		value a list like the {pos} item.
+		|getmatches()|.
 
 		Can also be used as a |method|: >
 			GetGroup()->matchaddpos([23, 11])
@@ -10273,7 +10278,8 @@ str2nr({expr} [, {base} [, {quoted}]])				*str2nr()*
 
 strcharpart({src}, {start} [, {len}])			*strcharpart()*
 		Like |strpart()| but using character index and length instead
-		of byte index and length.
+		of byte index and length.  Composing characters are counted
+		separately.
 		When a character index is used where a character does not
 		exist it is assumed to be one character.  For example: >
 			strcharpart('abc', -1, 2)
@@ -13142,7 +13148,7 @@ text...
 			Cannot be followed by a comment.
 			Examples: >
 		:execute "buffer" nextbuf
-		:execute "normal" count . "w"
+		:execute "normal" count .. "w"
 <
 			":execute" can be used to append a command to commands
 			that don't accept a '|'.  Example: >
@@ -13158,8 +13164,8 @@ text...
 			file names.  The |fnameescape()| function can be used
 			for Vim commands, |shellescape()| for |:!| commands.
 			Examples: >
-		:execute "e " . fnameescape(filename)
-		:execute "!ls " . shellescape(filename, 1)
+		:execute "e " .. fnameescape(filename)
+		:execute "!ls " .. shellescape(filename, 1)
 <
 			Note: The executed string may be any command-line, but
 			starting or ending "if", "while" and "for" does not

runtime/doc/filetype.txt

@@ -1,4 +1,4 @@
-*filetype.txt*  For Vim version 8.2.  Last change: 2021 Jan 21
+*filetype.txt*  For Vim version 8.2.  Last change: 2021 Mar 11
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -628,6 +628,13 @@ For fish, add to the config file
 
 	set -x MANPAGER "vim -M +MANPAGER -"
 
+
+MARKDOWN                                                *ft-markdown-plugin*
+
+To enable folding use this: >
+        let g:markdown_folding = 1
+<
+
 PDF							*ft-pdf-plugin*
 
 Two maps, <C-]> and <C-T>, are provided to simulate a tag stack for navigating

runtime/doc/repeat.txt

@@ -677,9 +677,9 @@ Your directory layout would be like this:
    opt/fooextra/doc/tags  	        " help tags
 
 This allows for the user to do: >
-	mkdir ~/.vim/pack/myfoobar
-	cd ~/.vim/pack/myfoobar
-	git clone https://github.com/you/foobar.git
+	mkdir ~/.vim/pack
+	cd ~/.vim/pack
+	git clone https://github.com/you/foobar.git myfoobar
 
 Here "myfoobar" is a name that the user can choose, the only condition is that
 it differs from other packages.

runtime/doc/sign.txt

@@ -1,4 +1,4 @@
-*sign.txt*      For Vim version 8.2.  Last change: 2020 Oct 28
+*sign.txt*      For Vim version 8.2.  Last change: 2021 Mar 07
 
 
 		  VIM REFERENCE MANUAL    by Gordon Prieur
@@ -146,6 +146,9 @@ See |sign_define()| for the equivalent Vim script function.
 	texthl={group}
 		Highlighting group used for the text item.
 
+	Example: >
+		:sign define MySign text=>> texthl=Search linehl=DiffText
+<
 
 DELETING A SIGN						*:sign-undefine* *E155*
 
@@ -155,7 +158,9 @@ See |sign_undefine()| for the equivalent Vim script function.
 		Deletes a previously defined sign.  If signs with this {name}
 		are still placed this will cause trouble.
 
-
+		Example: >
+			:sign undefine MySign
+<
 
 LISTING SIGNS						*:sign-list* *E156*
 
@@ -209,6 +214,10 @@ See |sign_place()| for the equivalent Vim script function.
 		Same, but use buffer {nr}.  If the buffer argument is not
 		given, place the sign in the current buffer.
 
+		Example: >
+			:sign place 10 line=99 name=sign3
+			:sign place 10 line=99 name=sign3 buffer=3
+<
 							*E885*
 :sign place {id} name={name} file={fname}
 		Change the placed sign {id} in file {fname} to use the defined
@@ -221,10 +230,17 @@ See |sign_place()| for the equivalent Vim script function.
 		"priority={prio}" attribute can be used to change the priority
 		of an existing sign.
 
+		Example: >
+			:sign place 23 name=sign1 file=/path/to/edit.py
+<
 :sign place {id} name={name} [buffer={nr}]
 		Same, but use buffer {nr}.  If the buffer argument is not
 		given, use the current buffer.
 
+		Example: >
+			:sign place 23 name=sign1
+			:sign place 23 name=sign1 buffer=7
+<
 
 REMOVING SIGNS						*:sign-unplace* *E159*
 

runtime/doc/syntax.txt

@@ -1,4 +1,4 @@
-*syntax.txt*	For Vim version 8.2.  Last change: 2021 Jan 21
+*syntax.txt*	For Vim version 8.2.  Last change: 2021 Mar 06
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -1741,8 +1741,8 @@ The coloring scheme for tags in the HTML file works as follows.
 
 The  <> of opening tags are colored differently than the </> of a closing tag.
 This is on purpose! For opening tags the 'Function' color is used, while for
-closing tags the 'Type' color is used (See syntax.vim to check how those are
-defined for you)
+closing tags the 'Identifier' color is used (See syntax.vim to check how those
+are defined for you)
 
 Known tag names are colored the same way as statements in C.  Unknown tag
 names are colored with the same color as the <> or </> respectively which
@@ -4676,7 +4676,7 @@ matches, nextgroup, etc.  But there are a few differences:
 - A line continuation pattern can be given.  It is used to decide which group
   of lines need to be searched like they were one line.  This means that the
   search for a match with the specified items starts in the first of the
-  consecutive that contain the continuation pattern.
+  consecutive lines that contain the continuation pattern.
 - When using "nextgroup" or "contains", this only works within one line (or
   group of continued lines).
 - When using a region, it must start and end in the same line (or group of

runtime/doc/tags

@@ -3191,6 +3191,7 @@ $VIM_POSIX	vi_diff.txt	/*$VIM_POSIX*
 :stselect	tagsrch.txt	/*:stselect*
 :su	change.txt	/*:su*
 :substitute	change.txt	/*:substitute*
+:substitute-repeat	change.txt	/*:substitute-repeat*
 :sun	windows.txt	/*:sun*
 :sunhide	windows.txt	/*:sunhide*
 :sunm	map.txt	/*:sunm*
@@ -6578,6 +6579,7 @@ ft-mail.vim	syntax.txt	/*ft-mail.vim*
 ft-make-syntax	syntax.txt	/*ft-make-syntax*
 ft-man-plugin	filetype.txt	/*ft-man-plugin*
 ft-maple-syntax	syntax.txt	/*ft-maple-syntax*
+ft-markdown-plugin	filetype.txt	/*ft-markdown-plugin*
 ft-masm-syntax	syntax.txt	/*ft-masm-syntax*
 ft-mathematica-syntax	syntax.txt	/*ft-mathematica-syntax*
 ft-matlab-indent	indent.txt	/*ft-matlab-indent*

runtime/doc/testing.txt

@@ -1,4 +1,4 @@
-*testing.txt*	For Vim version 8.2.  Last change: 2020 Dec 12
+*testing.txt*	For Vim version 8.2.  Last change: 2021 Mar 10
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -168,6 +168,7 @@ test_override({name}, {val})				*test_override()*
 			     wait time of up to 3 seconds for messages
 		term_props   reset all terminal properties when the version
 			     string is detected
+		uptime 	     overrules sysinfo.uptime
 		ALL	     clear all overrides ({val} is not used)
 
 		"starting" is to be used when a test should behave like

runtime/doc/todo.txt

@@ -1,4 +1,4 @@
-*todo.txt*      For Vim version 8.2.  Last change: 2021 Feb 20
+*todo.txt*      For Vim version 8.2.  Last change: 2021 Mar 11
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -39,13 +39,25 @@ browser use: https://github.com/vim/vim/issues/1234
 -------------------- Known bugs and current work -----------------------
 
 Vim9 - Make everything work:
-- Implement "export {one, two three}".
+- Does this work now: Implement using imported items at script level from
+  "import * as X" in
+- import of item that isn't exported: error should mention missing "export"?
+- no error for using :import in legacy script?
 - Disallow :open ?
+- Check: what if 'cpo' is intentionally changed in Vim9 script, does it get
+  restored at the end?
 - ISN_CHECKTYPE could use check_argtype()
 - Using a script variable inside a :def function doesn't work if the variable
   is inside a block, see Test_nested_function().  Should it work?
 - give error for variable name:
       var p = function('NoSuchFunc')
+- When indexing a string, should we include composing characters?  #6563
+	string[0] - first character including its composing characters.
+	string[0 : 0] - same
+    If you don't want that use strcharpart().
+    Also, add optional arg to strcharpart() to include composing chars, to
+    make it consistent with strchars().
+    Add strcharlen(), like strchars() but like skipcc is always set
 - Make closures work better:
   - Create closure in a loop.  Need to make a list of them.
 - If a :def function is called with a function reference, compile it to get
@@ -74,13 +86,11 @@ Vim9 - Make everything work:
 - make 0 == 'string' fail on the script level, like inside :def.
 - Check that when using a user function name without prefix, it does not find
   a global function.  Prefixing g: is required.
-- Need the equivalent of get_lval() and set_var_lval() to implement assignment
-  to nested list and dict members.
-    - Assignment to dict doesn't work:
-	  var ret: dict<string> = #{}
-	  ret[i] = string(i)
-    - Appending to dict item doesn't work:
-	var d[i] ..= value
+- Appending to dict item doesn't work in a :def function:
+      var d: dict<string> = {a: 'x'}
+      d['a'] ..= 'y'
+      d.a ..= 'y'
+   Test to be extended: Test_assign_dict_with_op()
 - Using ".." at script level doesn't convert arguments to a string.
 - Compile replacement of :s command: s/pat/\=expr/
 - Compile redir to local variable: var_redir_start().
@@ -89,8 +99,6 @@ Vim9 - Make everything work:
     islocked()
 - When evaluating constants for script variables, some functions could work:
     has('asdf'), len('string')
-- Implement "as Name" in "import Item as Name from ..."
-- Implement using imported items at script level from "import * as X" in
   eval_variable().  Should pass the ".xxx" that follows and return that.
 - Make "++nr" work.  "++g:count" doesn't work, thinks it is a range.
 - Reload: How to make sure type of script function hasn't changed?
@@ -102,6 +110,11 @@ Vim9 - Make everything work:
 - give an error for "echo Func()" if Func() does not return anything.
 - Using "windo echo expr" does not accept a line break inside "expr" (in a
   :def function and at script level in a not executed block). #7681
+- "assert_fails()" cannot access local variables.  Perhaps add this:
+	assertfails
+	   ... cmd ...
+	endassertfails /E99:.*cmd/
+  Similar to try/catch/endtry but without the boilerplate.
 
 Once Vim9 is stable:
 - Change the help to prefer Vim9 syntax where appropriate
@@ -184,6 +197,7 @@ Text properties:
 - Popup attached to text property stays visible when text is deleted with
   "cc". (#7737)  "C" works OK.  "dd" also files in a buffer with a single
   line.
+- Auto-indenting may cause highlighting to shift. (#7719)
 - "cc" does not call inserted_bytes(). (Axel Forsman, #5763)
 - Combining text property with 'cursorline' does not always work (Billie
   Cleek, #5533)
@@ -263,7 +277,9 @@ Terminal emulator window:
 - When 'encoding' is not utf-8, or the job is using another encoding, setup
   conversions.
 
-Valgrind reports memory leaks in test_options
+Include patch #6290: recognize shell directory change.
+
+Valgrind reports memory leaks in test_options.
 
 test_arglist func Test_all_not_allowed_from_cmdwin() hangs on MS-Windows.
 
@@ -277,6 +293,8 @@ Was originally written by Felipe Morales.
 
 Adding "10" to 'spellsuggest' causes spell suggestions to become very slow.
 (#4087)  Did patch 8.2.2379 help?
+Also, z= in German on a long word can take a very long time, but CTRL-C to
+interrupt does not work. Where to add ui_breakcheck()?
 
 Remove SPACE_IN_FILENAME ? It is only used for completion.
 
@@ -288,6 +306,8 @@ with 'termguicolors'. #1740
 
 Patch for blockwise paste reporting changes: #6660.
 
+Patch to make fillchars global-local. (#5206)
+
 Missing filetype test for bashrc, PKGBUILD, etc.
 
 Add an option to not fetch terminal codes in xterm, to avoid flicker when t_Co
@@ -306,6 +326,10 @@ Try setting a color then request the current color, like using t_u7.
 Regexp to search for duplicate lines does not work correctly:
 /\(^.*\n\)\1  (Chris Morgan, #6239)
 
+MS-Windows: when writing undo file the infostreams are copied in 
+mch_copy_file_attribute(), that seems unnecessary. (#7925)
+Add a flag to only copy attributes?
+
 Changing a capturing group to non-capturing changes the result: #7607
     :echo matchstr('aaa bbb', '\(.\{-1,}\>\)\|.*')
     aaa
@@ -382,6 +406,10 @@ manager.  Problem with Motif?
 
 Patch to add :argdedupe. (Nir Lichtman, #6235)
 
+When editing a file with ":edit" the output of :swapname is relative, while
+editing it with "vim file" it is absolute. (#355)
+Which one should it be?
+
 :map output does not clear the reset of the command line.
 (#5623, also see #5962)
 
@@ -1156,9 +1184,6 @@ timer expires.
 Rule to use "^" for statusline does not work if a space is defined with
 highlighting for both stl and stlnc.  Patch by Ken Hamada (itchyny, 2016 Dec 11)
 
-8   "stl" and "stlnc" in 'fillchars' don't work for multibyte characters.
-    Patch by Christian Wellenbrock, 2013 Jul 5.
-
 Using CTRL-G_U in InsertCharPre causes trouble for redo. (Israel Chauca
 Fuentes, 2017 Feb 12, #1470)
 

runtime/doc/various.txt

@@ -1,4 +1,4 @@
-*various.txt*   For Vim version 8.2.  Last change: 2021 Jan 26
+*various.txt*   For Vim version 8.2.  Last change: 2021 Mar 02
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -572,7 +572,7 @@ N  *+X11*		Unix only: can restore window title |X11|
 			it in / any non-ID character (see |'isident'|) can be
 			used, so long as it does not appear in {pat}.  Without
 			the enclosing character the pattern cannot include the
-			bar character.
+			bar character. 'ignorecase' is not used.
 
 			The pattern is matched against the relevant part of
 			the output, not necessarily the whole line. Only some

runtime/doc/vim9.txt

@@ -1,4 +1,4 @@
-*vim9.txt*	For Vim version 8.2.  Last change: 2021 Feb 23
+*vim9.txt*	For Vim version 8.2.  Last change: 2021 Mar 03
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -800,6 +800,8 @@ Patterns are used like 'magic' is set, unless explicitly overruled.
 The 'edcompatible' option value is not used.
 The 'gdefault' option value is not used.
 
+You may also find this wiki useful.  It was written by an early adoptor of
+Vim9 script: https://github.com/lacygoill/wiki/blob/master/vim/vim9.md
 
 ==============================================================================
 
@@ -1111,7 +1113,7 @@ Exporting an item can be written as: >
 	export class MyClass ...
 
 As this suggests, only constants, variables, `:def` functions and classes can
-be exported. {classes are not implemented yet}
+be exported. {not implemented yet: export class}
 
 							*E1042*
 `:export` can only be used in Vim9 script, at the script level.

runtime/filetype.vim

@@ -1,7 +1,7 @@
 " Vim support file to detect file types
 "
 " Maintainer:	Bram Moolenaar <Bram@vim.org>
-" Last Change:	2021 Jan 21
+" Last Change:	2021 Mar 12
 
 " Listen very carefully, I will say this only once
 if exists("did_load_filetypes")
@@ -1334,6 +1334,9 @@ au BufNewFile,BufRead *.pml			setf promela
 au BufNewFile,BufRead *.proto			setf proto
 au BufNewFile,BufRead *.pbtxt			setf pbtxt
 
+" Poke
+au BufNewFile,BufRead *.pk      		setf poke
+
 " Protocols
 au BufNewFile,BufRead */etc/protocols		setf protocols
 

runtime/ftplugin/poke.vim

@@ -0,0 +1,32 @@
+" Vim filetype plugin file
+" Language:	GNU Poke
+" Maintainer:	Doug Kearns <dougkearns@gmail.com>
+" Last Change:	2021 March 11
+
+if exists("b:did_ftplugin")
+    finish
+endif
+let b:did_ftplugin = 1
+
+let s:cpo_save = &cpo
+set cpo&vim
+
+setlocal comments=sO:*\ -,mO:*\ \ ,exO:*/,s1:/*,mb:*,ex:*/,://
+setlocal commentstring=//\ %s
+setlocal formatoptions-=t formatoptions+=croql
+
+setlocal include=load
+setlocal suffixesadd=.pk
+
+if (has("gui_win32") || has("gui_gtk")) && !exists("b:browsefilter")
+  let b:browsefilter = "Poke Files (*.pk)\t*.pk\n" .
+		     \ "All Files (*.*)\t*.*\n"
+endif
+
+let b:undo_ftplugin = "setl fo< com< cms< inc< sua<" .
+		    \ " | unlet! b:browsefilter"
+
+let &cpo = s:cpo_save
+unlet s:cpo_save
+
+" vim: nowrap sw=2 sts=2 ts=8

runtime/syntax/html.vim

@@ -3,8 +3,9 @@
 " Previous Maintainer:  Jorge Maldonado Ventura <jorgesumle@freakspot.net>
 " Previous Maintainer:  Claudio Fleiner <claudio@fleiner.com>
 " Repository:           https://notabug.org/jorgesumle/vim-html-syntax
-" Last Change:          2021 Feb 25
+" Last Change:          2021 Mar 02
 "			Included patch #7900 to fix comments
+"			Included patch #7916 to fix a few more things
 "
 
 " Please check :help html.vim for some comments and a description of the options
@@ -79,26 +80,16 @@ syn keyword htmlArg contained usemap ismap valign value vlink vspace width wrap
 syn match   htmlArg contained "\<\(http-equiv\|href\|title\)="me=e-1
 
 " aria attributes
-syn match htmlArg contained "\<\(aria-activedescendant\|aria-atomic\)\>"
-syn match htmlArg contained "\<\(aria-autocomplete\|aria-busy\|aria-checked\)\>"
-syn match htmlArg contained "\<\(aria-colcount\|aria-colindex\|aria-colspan\)\>"
-syn match htmlArg contained "\<\(aria-controls\|aria-current\)\>"
-syn match htmlArg contained "\<\(aria-describedby\|aria-details\)\>"
-syn match htmlArg contained "\<\(aria-disabled\|aria-dropeffect\)\>"
-syn match htmlArg contained "\<\(aria-errormessage\|aria-expanded\)\>"
-syn match htmlArg contained "\<\(aria-flowto\|aria-grabbed\|aria-haspopup\)\>"
-syn match htmlArg contained "\<\(aria-hidden\|aria-invalid\)\>"
-syn match htmlArg contained "\<\(aria-keyshortcuts\|aria-label\)\>"
-syn match htmlArg contained "\<\(aria-labelledby\|aria-level\|aria-live\)\>"
-syn match htmlArg contained "\<\(aria-modal\|aria-multiline\)\>"
-syn match htmlArg contained "\<\(aria-multiselectable\|aria-orientation\)\>"
-syn match htmlArg contained "\<\(aria-owns\|aria-placeholder\|aria-posinset\)\>"
-syn match htmlArg contained "\<\(aria-pressed\|aria-readonly\|aria-relevant\)\>"
-syn match htmlArg contained "\<\(aria-required\|aria-roledescription\)\>"
-syn match htmlArg contained "\<\(aria-rowcount\|aria-rowindex\|aria-rowspan\)\>"
-syn match htmlArg contained "\<\(aria-selected\|aria-setsize\|aria-sort\)\>"
-syn match htmlArg contained "\<\(aria-valuemax\|aria-valuemin\)\>"
-syn match htmlArg contained "\<\(aria-valuenow\|aria-valuetext\)\>"
+exe 'syn match htmlArg contained "\<aria-\%(' . join([
+    \ 'activedescendant', 'atomic', 'autocomplete', 'busy', 'checked', 'colcount',
+    \ 'colindex', 'colspan', 'controls', 'current', 'describedby', 'details',
+    \ 'disabled', 'dropeffect', 'errormessage', 'expanded', 'flowto', 'grabbed',
+    \ 'haspopup', 'hidden', 'invalid', 'keyshortcuts', 'label', 'labelledby', 'level',
+    \ 'live', 'modal', 'multiline', 'multiselectable', 'orientation', 'owns',
+    \ 'placeholder', 'posinset', 'pressed', 'readonly', 'relevant', 'required',
+    \ 'roledescription', 'rowcount', 'rowindex', 'rowspan', 'selected', 'setsize',
+    \ 'sort', 'valuemax', 'valuemin', 'valuenow', 'valuetext'
+    \ ], '\|') . '\)\>"'
 syn keyword htmlArg contained role
 
 " Netscape extensions
@@ -139,25 +130,19 @@ syn match htmlSpecialChar "&#\=[0-9A-Za-z]\{1,8};"
 
 " Comments (the real ones or the old netscape ones)
 if exists("html_wrong_comments")
-  syn region htmlComment                start=+<!--+    end=+--\s*>+ contains=@Spell
+  syn region htmlComment        start=+<!--+    end=+--\s*>+    contains=@Spell
 else
-  " The HTML 5.2 syntax 8.2.4.41-42: bogus comment is parser error; browser skips until next &gt;
-  " Note: must stand first to get lesser :syn-priority
-  syn region htmlComment                start=+<!+      end=+>+     contains=htmlCommentError
-  " Normal comment opening <!-- ...>
-  syn region htmlComment                start=+<!--+    end=+>+     contains=htmlCommentPart,@Spell
-  " Idem 8.2.4.43-44: <!--> and <!---> are parser errors; browser treats as comments
-  syn match htmlComment "<!---\?>" contains=htmlCommentError
-  " Idem 8.2.4.51: any number of consecutive dashes within comment is okay; --> closes comment
-  " Idem 8.2.4.52: closing comment by dash-dash-bang (--!>) is error ignored by parser(!); closes comment
-  syn region htmlCommentPart  contained start=+--+      end=+--!\?>+me=e-1  contains=htmlCommentNested,@htmlPreProc,@Spell
-  " Idem 8.2.4.49: opening nested comment <!-- is parser error, ignored by browser, except <!--> is all right
-  syn match htmlCommentNested contained "<!--[^>]"me=e-1
-  syn match htmlCommentNested contained "<!--->"me=e-3
-  syn match htmlCommentNested contained "<!---\?!>"me=e-4
-  syn match htmlCommentError contained "[^><!]"
+  " The HTML 5.2 syntax 8.2.4.41: bogus comment is parser error; browser skips until next &gt
+  syn region htmlComment        start=+<!+      end=+>+         contains=htmlCommentError keepend
+  " Idem 8.2.4.42,51: Comment starts with <!-- and ends with -->
+  " Idem 8.2.4.43,44: Except <!--> and <!---> are parser errors
+  " Idem 8.2.4.52: dash-dash-bang (--!>) is error ignored by parser, also closes comment
+  syn region htmlComment matchgroup=htmlComment start=+<!--\%(-\?>\)\@!+        end=+--!\?>+    contains=htmlCommentNested,@htmlPreProc,@Spell keepend
+  " Idem 8.2.4.49: nested comment is parser error, except <!--> is all right
+  syn match htmlCommentNested contained "<!-->\@!"
+  syn match htmlCommentError  contained "[^><!]"
 endif
-syn region htmlComment                  start=+<!DOCTYPE+ keepend end=+>+
+syn region htmlComment  start=+<!DOCTYPE+       end=+>+ keepend
 
 " server-parsed commands
 syn region htmlPreProc start=+<!--#+ end=+-->+ contains=htmlPreStmt,htmlPreError,htmlPreAttr
@@ -278,7 +263,7 @@ hi def link htmlEndTag                  Identifier
 hi def link htmlArg                     Type
 hi def link htmlTagName                 htmlStatement
 hi def link htmlSpecialTagName          Exception
-hi def link htmlValue                     String
+hi def link htmlValue                   String
 hi def link htmlSpecialChar             Special
 
 if !exists("html_no_rendering")
@@ -322,14 +307,10 @@ hi def link htmlPreProc            PreProc
 hi def link htmlPreAttr            String
 hi def link htmlPreProcAttrName    PreProc
 hi def link htmlPreProcAttrError   Error
-hi def link htmlSpecial            Special
-hi def link htmlSpecialChar        Special
 hi def link htmlString             String
 hi def link htmlStatement          Statement
 hi def link htmlComment            Comment
-hi def link htmlCommentPart        Comment
-hi def link htmlValue              String
-hi def link htmlCommentNested      htmlCommentError
+hi def link htmlCommentNested      htmlError
 hi def link htmlCommentError       htmlError
 hi def link htmlTagError           htmlError
 hi def link htmlEvent              javaScript

runtime/syntax/poke.vim

@@ -0,0 +1,151 @@
+" Copyright (C) 2021 Matthew T. Ihlenfield.
+"
+" This program is free software: you can redistribute it and/or modify
+" it under the terms of the GNU General Public License as published by
+" the Free Software Foundation, either version 3 of the License, or
+" (at your option) any later version.
+"
+" This program is distributed in the hope that it will be useful,
+" but WITHOUT ANY WARRANTY; without even the implied warranty of
+" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+" GNU General Public License for more details.
+"
+" You should have received a copy of the GNU General Public License
+" along with this program.  If not, see <http://www.gnu.org/licenses/>.
+"
+" Vim syntax file
+" Language: Poke
+" Maintainer: Matt Ihlenfield <mtihlenfield@protonmail.com>
+" Filenames: *.pk
+" Latest Revision: 10 March 2021
+
+if exists('b:current_syntax')
+    finish
+endif
+
+" Poke statement
+syn keyword pokeStatement assert break continue return
+syn keyword pokeStatement type unit fun method nextgroup=pokeFunction skipwhite
+syn keyword pokeStatement var nextgroup=pokeVar skipWhite
+
+" Identifiers
+syn match pokeVar '\h\w*' display contained
+
+" User defined functions
+syn match pokeFunction '\h\w*' display contained
+
+" Poke operators
+syn keyword pokeOperator in sizeof as isa unmap
+
+" Conditionals
+syn keyword pokeConditional if else where
+
+" Structures, unions, etc...
+syn keyword pokeStructure struct union pinned
+
+" Loops
+syn keyword pokeRepeat while for
+
+" Imports
+syn keyword pokeLoad load
+
+" Exceptions
+syn keyword pokeException try catch until raise
+
+" Exception types
+syn keyword pokeExceptionType Exception E_generic E_out_of_bounds
+syn keyword pokeExceptionType E_eof E_elem E_constraint
+syn keyword pokeExceptionType E_conv E_map_bounds E_map
+syn keyword pokeExceptionType E_div_by_zero E_no_ios E_no_return
+syn keyword pokeExceptionType E_io E_io_flags E_assert E_overflow
+
+" Exception codes
+syn keyword pokeExceptionCode EC_generic EC_out_of_bounds
+syn keyword pokeExceptionCode EC_eof EC_elem EC_constraint
+syn keyword pokeExceptionCode EC_conv EC_map_bounds EC_map
+syn keyword pokeExceptionCode EC_div_by_zero EC_no_ios EC_no_return
+syn keyword pokeExceptionCode EC_io EC_io_flags EC_assert EC_overflow
+
+" Poke builtin types
+syn keyword pokeBuiltinType string void int uint bit nibble
+syn keyword pokeBuiltinType byte char ushort short ulong long
+syn keyword pokeBuiltinType uint8 uint16 uint32 uint64
+syn keyword pokeBuiltinType off64 uoff64 offset
+syn keyword pokeBuiltinType Comparator POSIX_Time32 POSIX_Time64
+syn keyword pokeBuiltinType big little any
+
+" Poke constants
+syn keyword pokeConstant ENDIAN_LITTLE ENDIAN_BIG
+syn keyword pokeConstant IOS_F_READ IOS_F_WRITE IOS_F_TRUNCATE IOS_F_CREATE
+syn keyword pokeConstant IOS_M_RDONLY IOS_M_WRONLY IOS_M_RDWR
+syn keyword pokeConstant load_path NULL OFFSET
+
+" Poke std lib
+syn keyword pokeBuiltinFunction print printf catos stoca atoi ltos reverse
+syn keyword pokeBuiltinFunction ltrim rtrim strchr qsort crc32 alignto
+syn keyword pokeBuiltinFunction open close flush get_ios set_ios iosize
+syn keyword pokeBuiltinFunction rand get_endian set_endian strace exit
+syn keyword pokeBuiltinFunction getenv
+
+" Formats
+
+" Special chars
+syn match pokeSpecial "\\\([nt\\]\|\o\{1,3}\)" display contained
+
+" Chars
+syn match pokeChar "'[^']*'" contains=pokeSpecial
+
+" Attributes
+syn match pokeAttribute "\h\w*'\h\w"
+
+" Strings
+syn region pokeString skip=+\\\\\|\\"+ start=+"+ end=+"+ contains=pokeSpecial
+
+" Integer literals
+syn match pokeInteger "\<\d\+_*\d*\([LlHhBbNn]\=[Uu]\=\|[Uu]\=[LlHhBbNn]\=\)\>"
+syn match pokeInteger "\<0[Xx]\x\+_*\x*\([LlHhBbNn]\=[Uu]\=\|[Uu]\=[LlHhBbNn]\=\)\>"
+syn match pokeInteger "\<0[Oo]\o\+_*\o*\([LlHhBbNn]\=[Uu]\=\|[Uu]\=[LlHhBbNn]\=\)\>"
+syn match pokeInteger "\<0[Bb][01]\+_*[01]*\([LlHhBbNn]\=[Uu]\=\|[Uu]\=[LlHhBbNn]\=\)\>"
+
+" Units
+syn keyword pokeBuiltinUnit b M B
+syn keyword pokeBuiltinUnit Kb KB Mb MB Gb GB
+syn keyword pokeBuiltinUnit Kib KiB Mib MiB Gib GiB
+
+" Offsets
+syn match pokeOffset "#\h\w*" contains=pokeBuiltinUnit
+
+" Comments
+syn keyword pokeCommentTodo TODO FIXME XXX TBD contained
+syn match pokeLineComment "\/\/.*" contains=pokeCommentTodo,@Spell extend
+syn region pokeComment start="/\*"  end="\*/" contains=pokeCommentTodo,@Spell fold extend
+
+" Allow folding of blocks
+syn region pokeBlock start="{" end="}" transparent fold
+
+" Highlight groups
+hi def link pokeBuiltinFunction Function
+hi def link pokeBuiltinType Type
+hi def link pokeBuiltinUnit Keyword
+hi def link pokeChar Character
+hi def link pokeComment Comment
+hi def link pokeCommentTodo Todo
+hi def link pokeConditional Conditional
+hi def link pokeConstant Constant
+hi def link pokeException Exception
+hi def link pokeExceptionCode Constant
+hi def link pokeExceptionType Type
+hi def link pokeFunction Function
+hi def link pokeInteger Number
+hi def link pokeLineComment Comment
+hi def link pokeLoad Include
+hi def link pokeOffset StorageClass
+hi def link pokeOperator Operator
+hi def link pokeSpecial SpecialChar
+hi def link pokeStatement Statement
+hi def link pokeString String
+hi def link pokeStructure Structure
+hi def link pokeRepeat Repeat
+hi def link pokeVar Identifier
+
+let b:current_syntax = 'poke'

src/INSTALL

@@ -60,8 +60,8 @@ To built Vim on Ubuntu from scratch on a clean system using git:
 	% sudo apt install libxt-dev
 	% make reconfig
 
-	Add GUI support (ignore compiler warnings):
-	% sudo apt install libgtk2.0-dev
+	Add GUI support:
+	% sudo apt install libgtk-3-dev
 	% make reconfig
 
 	Add Python 3 support:
@@ -134,8 +134,12 @@ These configure arguments can be used to select which GUI to use:
 --disable-motif-check
 --disable-athena-check
 
+This configure argument can be used to disable the GUI, even when the necessary
+files are found:
+--disable-gui
+
 --enable-gui defaults to "auto", so it will automatically look for a GUI (in
-the order of GTK, Motif, then Athena).  If one is found, then is uses it and
+the order of GTK, Motif, then Athena).  If one is found, then it is used and
 does not proceed to check any of the remaining ones.  Otherwise, it moves on
 to the next one.
 

src/auto/configure

@@ -13918,6 +13918,35 @@ $as_echo "no" >&6; }
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for sysinfo.uptime" >&5
+$as_echo_n "checking for sysinfo.uptime... " >&6; }
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <sys/types.h>
+#include <sys/sysinfo.h>
+int
+main ()
+{
+	struct sysinfo sinfo;
+        long ut;
+
+	(void)sysinfo(&sinfo);
+	ut = sinfo.uptime;
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }; $as_echo "#define HAVE_SYSINFO_UPTIME 1" >>confdefs.h
+
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for sysconf" >&5
 $as_echo_n "checking for sysconf... " >&6; }
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext

src/autocmd.c

@@ -1336,7 +1336,7 @@ do_doautocmd(
     void
 ex_doautoall(exarg_T *eap)
 {
-    int		retval;
+    int		retval = OK;
     aco_save_T	aco;
     buf_T	*buf;
     bufref_T	bufref;
@@ -1353,7 +1353,8 @@ ex_doautoall(exarg_T *eap)
      */
     FOR_ALL_BUFFERS(buf)
     {
-	if (buf->b_ml.ml_mfp != NULL)
+	// Only do loaded buffers and skip the current buffer, it's done last.
+	if (buf->b_ml.ml_mfp != NULL && buf != curbuf)
 	{
 	    // find a window for this buffer and save some values
 	    aucmd_prepbuf(&aco, buf);
@@ -1363,22 +1364,31 @@ ex_doautoall(exarg_T *eap)
 	    retval = do_doautocmd(arg, FALSE, &did_aucmd);
 
 	    if (call_do_modelines && did_aucmd)
-	    {
 		// Execute the modeline settings, but don't set window-local
 		// options if we are using the current window for another
 		// buffer.
 		do_modelines(curwin == aucmd_win ? OPT_NOWIN : 0);
-	    }
 
 	    // restore the current window
 	    aucmd_restbuf(&aco);
 
 	    // stop if there is some error or buffer was deleted
 	    if (retval == FAIL || !bufref_valid(&bufref))
+	    {
+		retval = FAIL;
 		break;
+	    }
 	}
     }
 
+    // Execute autocommands for the current buffer last.
+    if (retval == OK)
+    {
+	do_doautocmd(arg, FALSE, &did_aucmd);
+	if (call_do_modelines && did_aucmd)
+	    do_modelines(0);
+    }
+
     check_cursor();	    // just in case lines got deleted
 }
 
@@ -2166,12 +2176,14 @@ apply_autocmds_group(
 	while (au_pending_free_buf != NULL)
 	{
 	    buf_T *b = au_pending_free_buf->b_next;
+
 	    vim_free(au_pending_free_buf);
 	    au_pending_free_buf = b;
 	}
 	while (au_pending_free_win != NULL)
 	{
 	    win_T *w = au_pending_free_win->w_next;
+
 	    vim_free(au_pending_free_win);
 	    au_pending_free_win = w;
 	}

src/config.h.in

@@ -213,6 +213,7 @@
 #undef HAVE_SYSCTL
 #undef HAVE_SYSINFO
 #undef HAVE_SYSINFO_MEM_UNIT
+#undef HAVE_SYSINFO_UPTIME
 #undef HAVE_TGETENT
 #undef HAVE_TOWLOWER
 #undef HAVE_TOWUPPER

src/configure.ac

@@ -4095,6 +4095,20 @@ AC_TRY_COMPILE(
 	AC_MSG_RESULT(yes); AC_DEFINE(HAVE_SYSINFO_MEM_UNIT),
 	AC_MSG_RESULT(no))
 
+dnl struct sysinfo may have the uptime field or not
+AC_MSG_CHECKING(for sysinfo.uptime)
+AC_TRY_COMPILE(
+[#include <sys/types.h>
+#include <sys/sysinfo.h>],
+[	struct sysinfo sinfo;
+        long ut;
+
+	(void)sysinfo(&sinfo);
+	ut = sinfo.uptime;
+	],
+	AC_MSG_RESULT(yes); AC_DEFINE(HAVE_SYSINFO_UPTIME),
+	AC_MSG_RESULT(no))
+
 dnl sysconf() may exist but not support what we want to use
 AC_MSG_CHECKING(for sysconf)
 AC_TRY_COMPILE(

src/errors.h

@@ -373,3 +373,5 @@ EXTERN char e_argument_name_shadows_existing_variable_str[]
 	INIT(= N_("E1167: Argument name shadows existing variable: %s"));
 EXTERN char e_argument_already_declared_in_script_str[]
 	INIT(= N_("E1168: Argument already declared in the script: %s"));
+EXTERN char e_import_as_name_not_supported_here[]
+	INIT(= N_("E1169: 'import * as {name}' not supported here"));

src/eval.c

@@ -1370,7 +1370,7 @@ set_var_lval(
 	    // handle +=, -=, *=, /=, %= and .=
 	    di = NULL;
 	    if (eval_variable(lp->ll_name, (int)STRLEN(lp->ll_name),
-					     &tv, &di, TRUE, FALSE) == OK)
+					     &tv, &di, EVAL_VAR_VERBOSE) == OK)
 	    {
 		if ((di == NULL
 			 || (!var_check_ro(di->di_flags, lp->ll_name, FALSE)
@@ -3500,7 +3500,8 @@ eval7(
 		    ret = OK;
 		}
 		else
-		    ret = eval_variable(s, len, rettv, NULL, TRUE, FALSE);
+		    ret = eval_variable(s, len, rettv, NULL,
+					   EVAL_VAR_VERBOSE + EVAL_VAR_IMPORT);
 	    }
 	    else
 	    {
@@ -5760,6 +5761,63 @@ handle_subscript(
 	    check_white = FALSE;
 	}
 
+	if (rettv->v_type == VAR_ANY)
+	{
+	    char_u	*exp_name;
+	    int		cc;
+	    int		idx;
+	    ufunc_T	*ufunc;
+	    type_T	*type;
+
+	    // Found script from "import * as {name}", script item name must
+	    // follow.
+	    if (**arg != '.')
+	    {
+		if (verbose)
+		    semsg(_(e_expected_str_but_got_str), "'.'", *arg);
+		ret = FAIL;
+		break;
+	    }
+	    ++*arg;
+	    if (IS_WHITE_OR_NUL(**arg))
+	    {
+		if (verbose)
+		    emsg(_(e_no_white_space_allowed_after_dot));
+		ret = FAIL;
+		break;
+	    }
+
+	    // isolate the name
+	    exp_name = *arg;
+	    while (eval_isnamec(**arg))
+		++*arg;
+	    cc = **arg;
+	    **arg = NUL;
+
+	    idx = find_exported(rettv->vval.v_number, exp_name, &ufunc, &type,
+						  evalarg->eval_cctx, verbose);
+	    **arg = cc;
+	    *arg = skipwhite(*arg);
+
+	    if (idx < 0 && ufunc == NULL)
+	    {
+		ret = FAIL;
+		break;
+	    }
+	    if (idx >= 0)
+	    {
+		scriptitem_T    *si = SCRIPT_ITEM(rettv->vval.v_number);
+		svar_T		*sv = ((svar_T *)si->sn_var_vals.ga_data) + idx;
+
+		copy_tv(sv->sv_tv, rettv);
+	    }
+	    else
+	    {
+		rettv->v_type = VAR_FUNC;
+		rettv->vval.v_string = vim_strsave(ufunc->uf_name);
+	    }
+	}
+
 	if ((**arg == '(' && (!evaluate || rettv->v_type == VAR_FUNC
 			    || rettv->v_type == VAR_PARTIAL))
 		    && (!check_white || !VIM_ISWHITE(*(*arg - 1))))

src/evalfunc.c

@@ -1021,7 +1021,7 @@ static funcentry_T global_functions[] =
     {"getcwd",		0, 2, FEARG_1,	    NULL,
 			ret_string,	    f_getcwd},
     {"getenv",		1, 1, FEARG_1,	    NULL,
-			ret_string,	    f_getenv},
+			ret_any,	    f_getenv},
     {"getfontname",	0, 1, 0,	    NULL,
 			ret_string,	    f_getfontname},
     {"getfperm",	1, 1, FEARG_1,	    NULL,

src/evalvars.c

@@ -1219,7 +1219,8 @@ list_arg_vars(exarg_T *eap, char_u *arg, int *first)
 		arg = skipwhite(arg);
 		if (tofree != NULL)
 		    name = tofree;
-		if (eval_variable(name, len, &tv, NULL, TRUE, FALSE) == FAIL)
+		if (eval_variable(name, len, &tv, NULL,
+						     EVAL_VAR_VERBOSE) == FAIL)
 		    error = TRUE;
 		else
 		{
@@ -2539,6 +2540,8 @@ set_cmdarg(exarg_T *eap, char_u *oldarg)
 
 /*
  * Get the value of internal variable "name".
+ * If "flags" has EVAL_VAR_IMPORT may return a VAR_ANY with v_number set to the
+ * imported script ID.
  * Return OK or FAIL.  If OK is returned "rettv" must be cleared.
  */
     int
@@ -2547,12 +2550,11 @@ eval_variable(
     int		len,		// length of "name"
     typval_T	*rettv,		// NULL when only checking existence
     dictitem_T	**dip,		// non-NULL when typval's dict item is needed
-    int		verbose,	// may give error message
-    int		no_autoload)	// do not use script autoloading
+    int		flags)		// EVAL_VAR_ flags
 {
     int		ret = OK;
     typval_T	*tv = NULL;
-    int		foundFunc = FALSE;
+    int		found = FALSE;
     dictitem_T	*v;
     int		cc;
 
@@ -2561,7 +2563,7 @@ eval_variable(
     name[len] = NUL;
 
     // Check for user-defined variables.
-    v = find_var(name, NULL, no_autoload);
+    v = find_var(name, NULL, flags & EVAL_VAR_NOAUTOLOAD);
     if (v != NULL)
     {
 	tv = &v->di_tv;
@@ -2581,7 +2583,7 @@ eval_variable(
 	{
 	    if (import->imp_funcname != NULL)
 	    {
-		foundFunc = TRUE;
+		found = TRUE;
 		if (rettv != NULL)
 		{
 		    rettv->v_type = VAR_FUNC;
@@ -2590,8 +2592,21 @@ eval_variable(
 	    }
 	    else if (import->imp_flags & IMP_FLAGS_STAR)
 	    {
-		emsg("Sorry, 'import * as X' not implemented yet");
-		ret = FAIL;
+		if ((flags & EVAL_VAR_IMPORT) == 0)
+		{
+		    if (flags & EVAL_VAR_VERBOSE)
+			emsg(_(e_import_as_name_not_supported_here));
+		    ret = FAIL;
+		}
+		else
+		{
+		    if (rettv != NULL)
+		    {
+			rettv->v_type = VAR_ANY;
+			rettv->vval.v_number = import->imp_sid;
+		    }
+		    found = TRUE;
+		}
 	    }
 	    else
 	    {
@@ -2607,7 +2622,7 @@ eval_variable(
 
 	    if (ufunc != NULL)
 	    {
-		foundFunc = TRUE;
+		found = TRUE;
 		if (rettv != NULL)
 		{
 		    rettv->v_type = VAR_FUNC;
@@ -2617,11 +2632,11 @@ eval_variable(
 	}
     }
 
-    if (!foundFunc)
+    if (!found)
     {
 	if (tv == NULL)
 	{
-	    if (rettv != NULL && verbose)
+	    if (rettv != NULL && (flags & EVAL_VAR_VERBOSE))
 		semsg(_(e_undefined_variable_str), name);
 	    ret = FAIL;
 	}
@@ -3695,7 +3710,8 @@ var_exists(char_u *var)
     {
 	if (tofree != NULL)
 	    name = tofree;
-	n = (eval_variable(name, len, &tv, NULL, FALSE, TRUE) == OK);
+	n = (eval_variable(name, len, &tv, NULL,
+				 EVAL_VAR_NOAUTOLOAD + EVAL_VAR_IMPORT) == OK);
 	if (n)
 	{
 	    // handle d.key, l[idx], f(expr)

src/ex_docmd.c

@@ -6609,6 +6609,10 @@ ex_open(exarg_T *eap)
     regmatch_T	regmatch;
     char_u	*p;
 
+#ifdef FEAT_EVAL
+    if (not_in_vim9(eap) == FAIL)
+	return;
+#endif
     curwin->w_cursor.lnum = eap->line2;
     beginline(BL_SOL | BL_FIX);
     if (*eap->arg == '/')

src/globals.h

@@ -1860,6 +1860,7 @@ EXTERN int  nfa_fail_for_testing INIT(= FALSE);
 EXTERN int  no_query_mouse_for_testing INIT(= FALSE);
 EXTERN int  ui_delay_for_testing INIT(= 0);
 EXTERN int  reset_term_props_on_termresponse INIT(= FALSE);
+EXTERN long override_sysinfo_uptime INIT(= -1);
 
 EXTERN int  in_free_unref_items INIT(= FALSE);
 #endif

src/memline.c

@@ -1080,6 +1080,35 @@ add_b0_fenc(
     }
 }
 
+#if defined(HAVE_SYS_SYSINFO_H) && defined(HAVE_SYSINFO_UPTIME)
+# include <sys/sysinfo.h>
+#endif
+
+/*
+ * Return TRUE if the process with number "b0p->b0_pid" is still running.
+ * "swap_fname" is the name of the swap file, if it's from before a reboot then
+ * the result is FALSE;
+ */
+    static int
+swapfile_process_running(ZERO_BL *b0p, char_u *swap_fname UNUSED)
+{
+#ifdef HAVE_SYSINFO_UPTIME
+    stat_T	    st;
+    struct sysinfo  sinfo;
+
+    // If the system rebooted after when the swap file was written then the
+    // process can't be running now.
+    if (mch_stat((char *)swap_fname, &st) != -1
+	    && sysinfo(&sinfo) == 0
+	    && st.st_mtime < time(NULL) - (
+# ifdef FEAT_EVAL
+		override_sysinfo_uptime >= 0 ? override_sysinfo_uptime :
+# endif
+		sinfo.uptime))
+	return FALSE;
+#endif
+    return mch_process_running(char_to_long(b0p->b0_pid));
+}
 
 /*
  * Try to recover curbuf from the .swp file.
@@ -1692,7 +1721,7 @@ ml_recover(int checkext)
 	    msg(_("Recovery completed. Buffer contents equals file contents."));
 	msg_puts(_("\nYou may want to delete the .swp file now."));
 #if defined(UNIX) || defined(MSWIN)
-	if (mch_process_running(char_to_long(b0p->b0_pid)))
+	if (swapfile_process_running(b0p, fname_used))
 	{
 	    // Warn there could be an active Vim on the same file, the user may
 	    // want to kill it.
@@ -2170,7 +2199,7 @@ swapfile_info(char_u *fname)
 		    msg_puts(_("\n        process ID: "));
 		    msg_outnum(char_to_long(b0.b0_pid));
 #if defined(UNIX) || defined(MSWIN)
-		    if (mch_process_running(char_to_long(b0.b0_pid)))
+		    if (swapfile_process_running(&b0, fname))
 		    {
 			msg_puts(_(" (STILL RUNNING)"));
 # ifdef HAVE_PROCESS_STILL_RUNNING
@@ -2213,9 +2242,6 @@ swapfile_unchanged(char_u *fname)
     int		    fd;
     struct block0   b0;
     int		    ret = TRUE;
-#if defined(UNIX) || defined(MSWIN)
-    long	    pid;
-#endif
 
     // must be able to stat the swap file
     if (mch_stat((char *)fname, &st) == -1)
@@ -2258,8 +2284,7 @@ swapfile_unchanged(char_u *fname)
     }
 
     // process must be known and not be running
-    pid = char_to_long(b0.b0_pid);
-    if (pid == 0L || mch_process_running(pid))
+    if (char_to_long(b0.b0_pid) == 0L || swapfile_process_running(&b0, fname))
 	ret = FALSE;
 #endif
 

src/option.c

@@ -3176,7 +3176,9 @@ set_bool_option(
     if (curwin->w_curswant != MAXCOL
 		     && (options[opt_idx].flags & (P_CURSWANT | P_RALL)) != 0)
 	curwin->w_set_curswant = TRUE;
-    check_redraw(options[opt_idx].flags);
+
+    if ((opt_flags & OPT_NO_REDRAW) == 0)
+	check_redraw(options[opt_idx].flags);
 
     return NULL;
 }
@@ -3192,8 +3194,8 @@ set_num_option(
     long	value,			// new value
     char	*errbuf,		// buffer for error messages
     size_t	errbuflen,		// length of "errbuf"
-    int		opt_flags)		// OPT_LOCAL, OPT_GLOBAL and
-					// OPT_MODELINE
+    int		opt_flags)		// OPT_LOCAL, OPT_GLOBAL,
+					// OPT_MODELINE, etc.
 {
     char	*errmsg = NULL;
     long	old_value = *(long *)varp;
@@ -3734,7 +3736,8 @@ set_num_option(
     if (curwin->w_curswant != MAXCOL
 		     && (options[opt_idx].flags & (P_CURSWANT | P_RALL)) != 0)
 	curwin->w_set_curswant = TRUE;
-    check_redraw(options[opt_idx].flags);
+    if ((opt_flags & OPT_NO_REDRAW) == 0)
+	check_redraw(options[opt_idx].flags);
 
     return errmsg;
 }

src/optionstr.c

@@ -2461,11 +2461,14 @@ ambw_end:
 		   && (get_option_flags(opt_idx) & (P_CURSWANT | P_RALL)) != 0)
 	curwin->w_set_curswant = TRUE;
 
+    if ((opt_flags & OPT_NO_REDRAW) == 0)
+    {
 #ifdef FEAT_GUI
-    // check redraw when it's not a GUI option or the GUI is active.
-    if (!redraw_gui_only || gui.in_use)
+	// check redraw when it's not a GUI option or the GUI is active.
+	if (!redraw_gui_only || gui.in_use)
 #endif
-	check_redraw(get_option_flags(opt_idx));
+	    check_redraw(get_option_flags(opt_idx));
+    }
 
 #if defined(FEAT_VTP) && defined(FEAT_TERMGUICOLORS)
     if (did_swaptcap)

src/proto/evalvars.pro

@@ -56,7 +56,7 @@ void set_reg_var(int c);
 char_u *v_exception(char_u *oldval);
 char_u *v_throwpoint(char_u *oldval);
 char_u *set_cmdarg(exarg_T *eap, char_u *oldarg);
-int eval_variable(char_u *name, int len, typval_T *rettv, dictitem_T **dip, int verbose, int no_autoload);
+int eval_variable(char_u *name, int len, typval_T *rettv, dictitem_T **dip, int flags);
 void check_vars(char_u *name, int len);
 dictitem_T *find_var(char_u *name, hashtab_T **htp, int no_autoload);
 dictitem_T *find_var_in_ht(hashtab_T *ht, int htname, char_u *varname, int no_autoload);

src/proto/vim9script.pro

@@ -7,7 +7,7 @@ void ex_export(exarg_T *eap);
 void free_imports_and_script_vars(int sid);
 void mark_imports_for_reload(int sid);
 void ex_import(exarg_T *eap);
-int find_exported(int sid, char_u *name, ufunc_T **ufunc, type_T **type, cctx_T *cctx);
+int find_exported(int sid, char_u *name, ufunc_T **ufunc, type_T **type, cctx_T *cctx, int verbose);
 char_u *handle_import(char_u *arg_start, garray_T *gap, int import_sid, evalarg_T *evalarg, void *cctx);
 char_u *vim9_declare_scriptvar(exarg_T *eap, char_u *arg);
 void update_vim9_script_var(int create, dictitem_T *di, int flags, typval_T *tv, type_T **type);

src/scriptfile.c

@@ -1459,7 +1459,7 @@ almosttheend:
     si = SCRIPT_ITEM(current_sctx.sc_sid);
     if (si->sn_save_cpo != NULL)
     {
-	set_option_value((char_u *)"cpo", 0L, si->sn_save_cpo, 0);
+	set_option_value((char_u *)"cpo", 0L, si->sn_save_cpo, OPT_NO_REDRAW);
 	VIM_CLEAR(si->sn_save_cpo);
     }
 

src/session.c

@@ -401,11 +401,12 @@ put_view(
     {
 	buf_T *alt = buflist_findnr(wp->w_alt_fnum);
 
-	// Set the alternate file.
+	// Set the alternate file if the buffer is listed.
 	if ((flagp == &ssop_flags)
 		&& alt != NULL
 		&& alt->b_fname != NULL
 		&& *alt->b_fname != NUL
+		&& alt->b_p_bl
 		&& (fputs("balt ", fd) < 0
 		|| ses_fname(fd, alt, flagp, TRUE) == FAIL))
 	    return FAIL;

src/testdir/Make_all.mak

@@ -459,6 +459,7 @@ NEW_TESTS_RES = \
 	test_quickfix.res \
 	test_quotestar.res \
 	test_random.res \
+	test_recover.res \
 	test_regex_char_classes.res \
 	test_registers.res \
 	test_rename.res \

src/testdir/check.vim

@@ -84,8 +84,16 @@ func CheckUnix()
   endif
 endfunc
 
+" Command to check for running on Linix
+command CheckLinux call CheckLinux()
+func CheckLinux()
+  if !has('linux')
+    throw 'Skipped: only works on Linux'
+  endif
+endfunc
+
 " Command to check for not running on a BSD system.
-" TODO: using this checks should not be needed
+" TODO: using this check should not be needed
 command CheckNotBSD call CheckNotBSD()
 func CheckNotBSD()
   if has('bsd')

src/testdir/dumps/Test_vim9_no_redraw.dump

@@ -0,0 +1,6 @@
+|s+0&#ffffff0|o+0&#e0e0e08|m|e| |t|e|x|t| | +0&#ffffff0@64
+|~+0#4040ff13&| @73
+|~| @73
+|~| @73
+|~| @73
+|:+0#0000000&|'|<|,|'|>> @68

src/testdir/runtest.vim

@@ -196,7 +196,12 @@ func RunTheTest(test)
   if a:test =~ 'Test_nocatch_'
     " Function handles errors itself.  This avoids skipping commands after the
     " error.
+    let g:skipped_reason = ''
     exe 'call ' . a:test
+    if g:skipped_reason != ''
+      call add(s:messages, '    Skipped')
+      call add(s:skipped, 'SKIPPED ' . a:test . ': ' . g:skipped_reason)
+    endif
   else
     try
       au VimLeavePre * call EarlyExit(g:testfunc)

src/testdir/test_alot.vim

@@ -21,7 +21,6 @@ source test_jumps.vim
 source test_lispwords.vim
 source test_move.vim
 source test_put.vim
-source test_recover.vim
 source test_reltime.vim
 source test_scroll_opt.vim
 source test_searchpos.vim

src/testdir/test_autocmd.vim

@@ -2670,6 +2670,9 @@ func Test_autocmd_window()
   %bw!
   edit one.txt
   tabnew two.txt
+  vnew three.txt
+  tabnew four.txt
+  tabprevious
   let g:blist = []
   augroup aucmd_win_test1
     au!
@@ -2678,7 +2681,12 @@ func Test_autocmd_window()
   augroup END
 
   doautoall BufEnter
-  call assert_equal([['one.txt', 'autocmd'], ['two.txt', '']], g:blist)
+  call assert_equal([
+        \ ['one.txt', 'autocmd'],
+        \ ['two.txt', ''],
+        \ ['four.txt', 'autocmd'],
+        \ ['three.txt', ''],
+        \ ], g:blist)
 
   augroup aucmd_win_test1
     au!

src/testdir/test_fileformat.vim

@@ -33,6 +33,15 @@ func Test_fileformat_autocommand()
   bw!
 endfunc
 
+func Test_fileformat_nomodifiable()
+  new
+  setlocal nomodifiable
+
+  call assert_fails('set fileformat=latin1', 'E21:')
+
+  bw
+endfunc
+
 " Convert the contents of a file into a literal string
 func s:file2str(fname)
   let b = readfile(a:fname, 'B')

src/testdir/test_filetype.vim

@@ -374,6 +374,7 @@ let s:filename_checks = {
     \ 'po': ['file.po', 'file.pot'],
     \ 'pod': ['file.pod'],
     \ 'pod6': ['file.pod6'],
+    \ 'poke': ['file.pk'],
     \ 'postscr': ['file.ps', 'file.pfa', 'file.afm', 'file.eps', 'file.epsf', 'file.epsi', 'file.ai'],
     \ 'pov': ['file.pov'],
     \ 'povini': ['.povrayrc'],

src/testdir/test_memory_usage.vim

@@ -147,9 +147,9 @@ func Test_memory_func_capture_lvars()
   " The usage may be a bit less than the last value, use 80%.
   " Allow for 20% tolerance at the upper limit.  That's very permissive, but
   " otherwise the test fails sometimes.  On Cirrus CI with FreeBSD we need to
-  " be even more permissive.
+  " be even much more permissive.
   if has('bsd')
-    let multiplier = 15
+    let multiplier = 19
   else
     let multiplier = 12
   endif

src/testdir/test_mksession.vim

@@ -544,6 +544,20 @@ func Test_mkview_no_balt()
   %bwipe
 endfunc
 
+func Test_mksession_no_balt()
+  edit Xtestfile1
+  edit Xtestfile2
+
+  bdelete Xtestfile1
+  mksession! Xtestview
+
+  source Xtestview
+  call assert_equal(0, buflisted('Xtestfile1'))
+
+  call delete('Xtestview')
+  %bwipe
+endfunc
+
 " Test :mkview with a file argument.
 func Test_mkview_file()
   " Create a view with line number and a fold.

src/testdir/test_normal.vim

@@ -3207,6 +3207,13 @@ func Test_normal_delete_cmd()
   " delete to a readonly register
   call setline(1, ['abcd'])
   call assert_beeps('normal ":d2l')
+
+  " D and d with 'nomodifiable'
+  call setline(1, ['abcd'])
+  setlocal nomodifiable
+  call assert_fails('normal D', 'E21:')
+  call assert_fails('normal d$', 'E21:')
+
   close!
 endfunc
 

src/testdir/test_options.vim

@@ -1035,6 +1035,27 @@ func Test_opt_winminheight_term()
   call delete('Xwinminheight')
 endfunc
 
+func Test_opt_winminheight_term_tabs()
+  CheckRunVimInTerminal
+
+  " The tabline should be taken into account.
+  let lines =<< trim END
+    set wmh=0 stal=2
+    split
+    split
+    split
+    split
+    tabnew
+  END
+  call writefile(lines, 'Xwinminheight')
+  let buf = RunVimInTerminal('-S Xwinminheight', #{rows: 11})
+  call term_sendkeys(buf, ":set wmh=1\n")
+  call WaitForAssert({-> assert_match('E36: Not enough room', term_getline(buf, 11))})
+
+  call StopVimInTerminal(buf)
+  call delete('Xwinminheight')
+endfunc
+
 " Test for the 'winminwidth' option
 func Test_opt_winminwidth()
   only!

src/testdir/test_recover.vim

@@ -1,5 +1,7 @@
 " Test :recover
 
+source check.vim
+
 func Test_recover_root_dir()
   " This used to access invalid memory.
   split Xtest
@@ -21,6 +23,21 @@ func Test_recover_root_dir()
   set dir&
 endfunc
 
+" Make a copy of the current swap file to "Xswap".
+" Return the name of the swap file.
+func CopySwapfile()
+  preserve
+  " get the name of the swap file
+  let swname = split(execute("swapname"))[0]
+  let swname = substitute(swname, '[[:blank:][:cntrl:]]*\(.\{-}\)[[:blank:][:cntrl:]]*$', '\1', '')
+  " make a copy of the swap file in Xswap
+  set binary
+  exe 'sp ' . swname
+  w! Xswap
+  set nobinary
+  return swname
+endfunc
+
 " Inserts 10000 lines with text to fill the swap file with two levels of pointer
 " blocks.  Then recovers from the swap file and checks all text is restored.
 "
@@ -37,15 +54,9 @@ func Test_swap_file()
     let i += 1
   endwhile
   $delete
-  preserve
-  " get the name of the swap file
-  let swname = split(execute("swapname"))[0]
-  let swname = substitute(swname, '[[:blank:][:cntrl:]]*\(.\{-}\)[[:blank:][:cntrl:]]*$', '\1', '')
-  " make a copy of the swap file in Xswap
-  set binary
-  exe 'sp ' . swname
-  w! Xswap
-  set nobinary
+
+  let swname = CopySwapfile()
+
   new
   only!
   bwipe! Xtest
@@ -67,4 +78,59 @@ func Test_swap_file()
   enew! | only
 endfunc
 
+func Test_nocatch_process_still_running()
+  " sysinfo.uptime probably only works on Linux
+  if !has('linux')
+    let g:skipped_reason = 'only works on Linux'
+    return
+  endif
+  " the GUI dialog can't be handled
+  if has('gui_running')
+    let g:skipped_reason = 'only works in the terminal'
+    return
+  endif
+
+  " don't intercept existing swap file here
+  au! SwapExists
+
+  " Edit a file and grab its swapfile.
+  edit Xswaptest
+  call setline(1, ['a', 'b', 'c'])
+  let swname = CopySwapfile()
+
+  " Forget we edited this file
+  new
+  only!
+  bwipe! Xswaptest
+
+  call rename('Xswap', swname)
+  call feedkeys('e', 'tL')
+  redir => editOutput
+  edit Xswaptest
+  redir END
+  call assert_match('E325: ATTENTION', editOutput)
+  call assert_match('file name: .*Xswaptest', editOutput)
+  call assert_match('process ID: \d* (STILL RUNNING)', editOutput)
+
+  " Forget we edited this file
+  new
+  only!
+  bwipe! Xswaptest
+
+  " pretend we rebooted
+  call test_override("uptime", 0)
+  sleep 1
+
+  call rename('Xswap', swname)
+  call feedkeys('e', 'tL')
+  redir => editOutput
+  edit Xswaptest
+  redir END
+  call assert_match('E325: ATTENTION', editOutput)
+  call assert_notmatch('(STILL RUNNING)', editOutput)
+
+  call test_override("ALL", 0)
+  call delete(swname)
+endfunc
+
 " vim: shiftwidth=2 sts=2 expandtab

src/testdir/test_sleep.vim

@@ -21,6 +21,7 @@ func! Test_sleep_bang()
   call s:assert_takes_longer('sl 50m', 50)
   call s:assert_takes_longer('sl! 50m', 50)
   call s:assert_takes_longer('1sleep', 1000)
+  call s:assert_takes_longer('normal 1gs', 1000)
 endfunc
 
 " vim: shiftwidth=2 sts=2 expandtab

src/testdir/test_textformat.vim

@@ -858,6 +858,21 @@ func Test_mps_latin1()
   close!
 endfunc
 
+func Test_mps_error()
+  let encoding_save = &encoding
+
+  for e in ['utf-8', 'latin1']
+    exe 'set encoding=' .. e
+
+    call assert_fails('set mps=<:', 'E474:', e)
+    call assert_fails('set mps=:>', 'E474:', e)
+    call assert_fails('set mps=<>', 'E474:', e)
+    call assert_fails('set mps=<:>_', 'E474:', e)
+  endfor
+
+  let &encoding = encoding_save
+endfunc
+
 " Test for ra on multi-byte characters
 func Test_ra_multibyte()
   new

src/testdir/test_vim9_builtin.vim

@@ -340,6 +340,26 @@ def Test_extend_list_item_type()
   CheckScriptFailure(['vim9script'] + lines, 'E1012:', 1)
 enddef
 
+def Test_extend_with_error_function()
+  var lines =<< trim END
+      vim9script
+      def F()
+        {
+          var m = 10
+        }
+        echo m
+      enddef
+
+      def Test()
+        var d: dict<any> = {}
+        d->extend({A: 10, Func: function('F', [])})
+      enddef
+
+      Test()
+  END
+  CheckScriptFailure(lines, 'E1001: Variable not found: m')
+enddef
+
 def Test_job_info_return_type()
   if has('job')
     job_start(&shell)
@@ -472,6 +492,19 @@ def Test_getchar()
   getchar(true)->assert_equal(0)
 enddef
 
+def Test_getenv()
+  if getenv('does-not_exist') == ''
+    assert_report('getenv() should return null')
+  endif
+  if getenv('does-not_exist') == null
+  else
+    assert_report('getenv() should return null')
+  endif
+  $SOMEENVVAR = 'some'
+  assert_equal('some', getenv('SOMEENVVAR'))
+  unlet $SOMEENVVAR
+enddef
+
 def Test_getcompletion()
   set wildignore=*.vim,*~
   var l = getcompletion('run', 'file', true)

src/testdir/test_vim9_expr.vim

@@ -1370,6 +1370,9 @@ def Test_expr5_list_add()
     dany[i] = i
   endfor
   assert_equal({a: 'a', 12: 12}, dany)
+
+  # result of glob() is "any", runtime type check
+  var sl: list<string> = glob('*.txt', false, true) + ['']
 enddef
 
 " test multiply, divide, modulo

src/testdir/test_vim9_func.vim

@@ -311,6 +311,14 @@ def Test_call_default_args()
   delfunc g:Func
   CheckScriptFailure(['def Func(arg: number = "text")', 'enddef', 'defcompile'], 'E1013: Argument 1: type mismatch, expected number but got string')
   delfunc g:Func
+
+  var lines =<< trim END
+      vim9script
+      def Func(a = b == 0 ? 1 : 2, b = 0)
+      enddef
+      defcompile
+  END
+  CheckScriptFailure(lines, 'E1001: Variable not found: b')
 enddef
 
 def FuncWithComment(  # comment

src/testdir/test_vim9_script.vim

@@ -5,6 +5,7 @@ source term_util.vim
 source view_util.vim
 source vim9.vim
 source shared.vim
+source screendump.vim
 
 def Test_range_only()
   new
@@ -591,6 +592,31 @@ def Test_try_catch_throw()
   assert_equal(4, ReturnInFinally())
 enddef
 
+" :while at the very start of a function that :continue jumps to
+def TryContinueFunc()
+ while g:Count < 2
+   g:sequence ..= 't'
+    try
+      echoerr 'Test'
+    catch
+      g:Count += 1
+      g:sequence ..= 'c'
+      continue
+    endtry
+    g:sequence ..= 'e'
+    g:Count += 1
+  endwhile
+enddef
+
+def Test_continue_in_try_in_while()
+  g:Count = 0
+  g:sequence = ''
+  TryContinueFunc()
+  assert_equal('tctc', g:sequence)
+  unlet g:Count
+  unlet g:sequence
+enddef
+
 def Test_nocatch_return_in_try()
   # return in try block returns normally
   def ReturnInTry(): string
@@ -1030,13 +1056,17 @@ def Test_vim9_import_export()
     vim9script
     import * as Export from './Xexport.vim'
     def UseExport()
-      g:imported = Export.exported
+      g:imported_def = Export.exported
     enddef
+    g:imported_script = Export.exported
+    assert_equal(1, exists('Export.exported'))
+    assert_equal(0, exists('Export.notexported'))
     UseExport()
   END
   writefile(import_star_as_lines, 'Ximport.vim')
   source Ximport.vim
-  assert_equal(9883, g:imported)
+  assert_equal(9883, g:imported_def)
+  assert_equal(9883, g:imported_script)
 
   var import_star_as_lines_no_dot =<< trim END
     vim9script
@@ -1071,6 +1101,22 @@ def Test_vim9_import_export()
   writefile(import_star_as_duplicated, 'Ximport.vim')
   assert_fails('source Ximport.vim', 'E1073:', '', 4, 'Ximport.vim')
 
+  var import_star_as_lines_script_no_dot =<< trim END
+    vim9script
+    import * as Export from './Xexport.vim'
+    g:imported_script = Export exported
+  END
+  writefile(import_star_as_lines_script_no_dot, 'Ximport.vim')
+  assert_fails('source Ximport.vim', 'E1029:')
+
+  var import_star_as_lines_script_space_after_dot =<< trim END
+    vim9script
+    import * as Export from './Xexport.vim'
+    g:imported_script = Export. exported
+  END
+  writefile(import_star_as_lines_script_space_after_dot, 'Ximport.vim')
+  assert_fails('source Ximport.vim', 'E1074:')
+
   var import_star_as_lines_missing_name =<< trim END
     vim9script
     import * as Export from './Xexport.vim'
@@ -1859,6 +1905,8 @@ def Test_no_insert_xit()
   CheckScriptFailure(['vim9script', 'c'], 'E1100:')
   CheckScriptFailure(['vim9script', 'i = 1'], 'E488:')
   CheckScriptFailure(['vim9script', 'i'], 'E1100:')
+  CheckScriptFailure(['vim9script', 'o = 1'], 'E1100:')
+  CheckScriptFailure(['vim9script', 'o'], 'E1100:')
   CheckScriptFailure(['vim9script', 't'], 'E1100:')
   CheckScriptFailure(['vim9script', 't = 1'], 'E1100:')
   CheckScriptFailure(['vim9script', 'x = 1'], 'E1100:')
@@ -3154,6 +3202,10 @@ def Test_vim9_autoload()
        return 'test'
      enddef
      g:some#name = 'name'
+
+     def some#varargs(a1: string, ...l: list<string>): string
+       return a1 .. l[0] .. l[1]
+     enddef
   END
 
   mkdir('Xdir/autoload', 'p')
@@ -3166,6 +3218,8 @@ def Test_vim9_autoload()
   g:some#other = 'other'
   assert_equal('other', g:some#other)
 
+  assert_equal('abc', some#varargs('a', 'b', 'c'))
+
   # upper case script name works
   lines =<< trim END
      vim9script
@@ -3332,6 +3386,38 @@ def Test_restoring_cpo()
   set cpo&vim
 enddef
 
+" Use :function so we can use Check commands
+func Test_no_redraw_when_restoring_cpo()
+  CheckScreendump
+  CheckFeature timers
+
+  let lines =<< trim END
+    vim9script
+    def script#func()
+    enddef
+  END
+  call mkdir('Xdir/autoload', 'p')
+  call writefile(lines, 'Xdir/autoload/script.vim')
+
+  let lines =<< trim END
+      vim9script
+      set cpo+=M
+      exe 'set rtp^=' .. getcwd() .. '/Xdir'
+      au CmdlineEnter : ++once timer_start(0, () => script#func())
+      setline(1, 'some text')
+  END
+  call writefile(lines, 'XTest_redraw_cpo')
+  let buf = RunVimInTerminal('-S XTest_redraw_cpo', {'rows': 6})
+  call term_sendkeys(buf, "V:")
+  call VerifyScreenDump(buf, 'Test_vim9_no_redraw', {})
+
+  " clean up
+  call term_sendkeys(buf, "\<Esc>u")
+  call StopVimInTerminal(buf)
+  call delete('XTest_redraw_cpo')
+  call delete('Xdir', 'rf')
+endfunc
+
 
 def Test_unset_any_variable()
   var lines =<< trim END

src/testdir/test_viminfo.vim

@@ -906,6 +906,10 @@ func Test_viminfo_oldfiles_newfile()
   call delete('Xviminfofile')
   call delete('Xviminfotest')
   call delete('Xnew-file.txt')
+
+  let v:oldfiles = test_null_list()
+  call assert_equal("\nNo old files", execute('oldfiles'))
+
   let &viminfo = save_viminfo
   let &viminfofile = save_viminfofile
 endfunc

src/testing.c

@@ -970,6 +970,8 @@ f_test_override(typval_T *argvars, typval_T *rettv UNUSED)
 	    ui_delay_for_testing = val;
 	else if (STRCMP(name, (char_u *)"term_props") == 0)
 	    reset_term_props_on_termresponse = val;
+	else if (STRCMP(name, (char_u *)"uptime") == 0)
+	    override_sysinfo_uptime = val;
 	else if (STRCMP(name, (char_u *)"ALL") == 0)
 	{
 	    disable_char_avail_for_testing = FALSE;
@@ -979,6 +981,7 @@ f_test_override(typval_T *argvars, typval_T *rettv UNUSED)
 	    no_query_mouse_for_testing = FALSE;
 	    ui_delay_for_testing = 0;
 	    reset_term_props_on_termresponse = FALSE;
+	    override_sysinfo_uptime = -1;
 	    if (save_starting >= 0)
 	    {
 		starting = save_starting;

src/version.c

@@ -750,6 +750,52 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2602,
+/**/
+    2601,
+/**/
+    2600,
+/**/
+    2599,
+/**/
+    2598,
+/**/
+    2597,
+/**/
+    2596,
+/**/
+    2595,
+/**/
+    2594,
+/**/
+    2593,
+/**/
+    2592,
+/**/
+    2591,
+/**/
+    2590,
+/**/
+    2589,
+/**/
+    2588,
+/**/
+    2587,
+/**/
+    2586,
+/**/
+    2585,
+/**/
+    2584,
+/**/
+    2583,
+/**/
+    2582,
+/**/
+    2581,
+/**/
+    2580,
 /**/
     2579,
 /**/

src/vim.h

@@ -1200,6 +1200,7 @@ extern int (*dyn_libintl_wputenv)(const wchar_t *envstring);
 #define OPT_WINONLY	0x10	// only set window-local options
 #define OPT_NOWIN	0x20	// don't set window-local options
 #define OPT_ONECOLUMN	0x40	// list options one per line
+#define OPT_NO_REDRAW	0x80	// ignore redraw flags on option
 
 // Magic chars used in confirm dialog strings
 #define DLG_BUTTON_SEP	'\n'
@@ -2701,4 +2702,9 @@ long elapsed(DWORD start_tick);
 #define MCH_DELAY_IGNOREINPUT	1
 #define MCH_DELAY_SETTMODE	2
 
+// Flags for eval_variable().
+#define EVAL_VAR_VERBOSE	1   // may give error message
+#define EVAL_VAR_NOAUTOLOAD	2   // do not use script autoloading
+#define EVAL_VAR_IMPORT		4   // may return special variable for import
+
 #endif // VIM__H

src/vim9compile.c

@@ -2645,7 +2645,8 @@ compile_load_scriptvar(
 	    cc = *p;
 	    *p = NUL;
 
-	    idx = find_exported(import->imp_sid, exp_name, &ufunc, &type, cctx);
+	    idx = find_exported(import->imp_sid, exp_name, &ufunc, &type,
+								   cctx, TRUE);
 	    *p = cc;
 	    p = skipwhite(p);
 
@@ -4184,7 +4185,7 @@ compile_expr7(
 	 * "null" constant
 	 */
 	case 'n':   if (STRNCMP(*arg, "null", 4) == 0
-						   && !eval_isnamec((*arg)[5]))
+						   && !eval_isnamec((*arg)[4]))
 		    {
 			*arg += 4;
 			rettv->v_type = VAR_SPECIAL;
@@ -4450,7 +4451,7 @@ compile_expr6(char_u **arg, cctx_T *cctx, ppconst_T *ppconst)
 }
 
 /*
- *      +	number addition
+ *      +	number addition or list/blobl concatenation
  *      -	number subtraction
  *      ..	string concatenation
  */
@@ -4532,6 +4533,7 @@ compile_expr5(char_u **arg, cctx_T *cctx, ppconst_T *ppconst)
 	else
 	{
 	    generate_ppconst(cctx, ppconst);
+	    ppconst->pp_is_const = FALSE;
 	    if (*op == '.')
 	    {
 		if (may_generate_2STRING(-2, cctx) == FAIL
@@ -8198,6 +8200,7 @@ compile_def_function(
     {
 	int	count = ufunc->uf_def_args.ga_len;
 	int	first_def_arg = ufunc->uf_args.ga_len - count;
+	int	uf_args_len = ufunc->uf_args.ga_len;
 	int	i;
 	char_u	*arg;
 	int	off = STACK_FRAME_SIZE + (ufunc->uf_va_name != NULL ? 1 : 0);
@@ -8210,16 +8213,24 @@ compile_def_function(
 	ufunc->uf_def_arg_idx = ALLOC_CLEAR_MULT(int, count + 1);
 	if (ufunc->uf_def_arg_idx == NULL)
 	    goto erret;
+	SOURCING_LNUM = 0;  // line number unknown
 	for (i = 0; i < count; ++i)
 	{
 	    garray_T	*stack = &cctx.ctx_type_stack;
 	    type_T	*val_type;
 	    int		arg_idx = first_def_arg + i;
 	    where_T	where;
+	    int		r;
+
+	    // Make sure later arguments are not found.
+	    ufunc->uf_args.ga_len = i;
 
 	    ufunc->uf_def_arg_idx[i] = instr->ga_len;
 	    arg = ((char_u **)(ufunc->uf_def_args.ga_data))[i];
-	    if (compile_expr0(&arg, &cctx) == FAIL)
+	    r = compile_expr0(&arg, &cctx);
+
+	    ufunc->uf_args.ga_len = uf_args_len;
+	    if (r == FAIL)
 		goto erret;
 
 	    // If no type specified use the type of the default value.

src/vim9execute.c

@@ -30,7 +30,7 @@ typedef struct {
     int	    tcd_finally_idx;	// instruction of the :finally block or zero
     int	    tcd_endtry_idx;	// instruction of the :endtry
     int	    tcd_caught;		// catch block entered
-    int	    tcd_cont;		// :continue encountered, jump here
+    int	    tcd_cont;		// :continue encountered, jump here (minus one)
     int	    tcd_return;		// when TRUE return from end of :finally
 } trycmd_T;
 
@@ -807,9 +807,12 @@ call_by_name(char_u *name, int argcount, ectx_T *ectx, isn_T *iptr)
 	    // types are correct.
 	    for (i = 0; i < argcount; ++i)
 	    {
-		type_T *type = i < ufunc->uf_args.ga_len
-				  ? ufunc->uf_arg_types[i] : ufunc->uf_va_type;
+		type_T *type = NULL;
 
+		if (i < ufunc->uf_args.ga_len)
+		    type = ufunc->uf_arg_types[i];
+		else if (ufunc->uf_va_type != NULL)
+		    type = ufunc->uf_va_type->tt_member;
 		if (type != NULL && check_typval_arg_type(type,
 						      &argv[i], i + 1) == FAIL)
 		    return FAIL;
@@ -1762,7 +1765,7 @@ call_def_function(
 			goto failed;
 		    SOURCING_LNUM = iptr->isn_lnum;
 		    if (eval_variable(name, (int)STRLEN(name),
-				  STACK_TV_BOT(0), NULL, TRUE, FALSE) == FAIL)
+			      STACK_TV_BOT(0), NULL, EVAL_VAR_VERBOSE) == FAIL)
 			goto on_error;
 		    ++ectx.ec_stack.ga_len;
 		}
@@ -2754,7 +2757,9 @@ call_def_function(
 		    {
 			trycmd = ((trycmd_T *)trystack->ga_data)
 							+ trystack->ga_len - i;
-			trycmd->tcd_cont = iidx;
+			// Add one to tcd_cont to be able to jump to
+			// instruction with index zero.
+			trycmd->tcd_cont = iidx + 1;
 			iidx = trycmd->tcd_finally_idx == 0
 			    ? trycmd->tcd_endtry_idx : trycmd->tcd_finally_idx;
 		    }
@@ -2808,7 +2813,7 @@ call_def_function(
 			if (trycmd->tcd_cont != 0)
 			    // handling :continue: jump to outer try block or
 			    // start of the loop
-			    ectx.ec_iidx = trycmd->tcd_cont;
+			    ectx.ec_iidx = trycmd->tcd_cont - 1;
 		    }
 		}
 		break;

src/vim9script.c

@@ -75,7 +75,7 @@ ex_vim9script(exarg_T *eap UNUSED)
     if (STRCMP(p_cpo, CPO_VIM) != 0)
     {
 	si->sn_save_cpo = vim_strsave(p_cpo);
-	set_option_value((char_u *)"cpo", 0L, (char_u *)CPO_VIM, 0);
+	set_option_value((char_u *)"cpo", 0L, (char_u *)CPO_VIM, OPT_NO_REDRAW);
     }
 #else
     // No check for this being the first command, it doesn't matter.
@@ -102,6 +102,7 @@ not_in_vim9(exarg_T *eap)
 	    case CMD_append:
 	    case CMD_change:
 	    case CMD_insert:
+	    case CMD_open:
 	    case CMD_t:
 	    case CMD_xit:
 		semsg(_(e_command_not_supported_in_vim9_script_missing_var_str), eap->cmd);
@@ -257,7 +258,8 @@ find_exported(
 	char_u	    *name,
 	ufunc_T	    **ufunc,
 	type_T	    **type,
-	cctx_T	    *cctx)
+	cctx_T	    *cctx,
+	int	    verbose)
 {
     int		idx = -1;
     svar_T	*sv;
@@ -271,7 +273,8 @@ find_exported(
 	sv = ((svar_T *)script->sn_var_vals.ga_data) + idx;
 	if (!sv->sv_export)
 	{
-	    semsg(_(e_item_not_exported_in_script_str), name);
+	    if (verbose)
+		semsg(_(e_item_not_exported_in_script_str), name);
 	    return -1;
 	}
 	*type = sv->sv_type;
@@ -301,7 +304,8 @@ find_exported(
 
 	if (*ufunc == NULL)
 	{
-	    semsg(_(e_item_not_found_in_script_str), name);
+	    if (verbose)
+		semsg(_(e_item_not_found_in_script_str), name);
 	    return -1;
 	}
     }
@@ -532,7 +536,7 @@ handle_import(
 	    ufunc_T	*ufunc = NULL;
 	    type_T	*type;
 
-	    idx = find_exported(sid, name, &ufunc, &type, cctx);
+	    idx = find_exported(sid, name, &ufunc, &type, cctx, TRUE);
 
 	    if (idx < 0 && ufunc == NULL)
 		goto erret;

src/vim9type.c

@@ -919,6 +919,8 @@ equal_type(type_T *type1, type_T *type2)
 {
     int i;
 
+    if (type1 == NULL || type2 == NULL)
+	return FALSE;
     if (type1->tt_type != type2->tt_type)
 	return FALSE;
     switch (type1->tt_type)
@@ -969,12 +971,12 @@ common_type(type_T *type1, type_T *type2, type_T **dest, garray_T *type_gap)
 
     // If either is VAR_UNKNOWN use the other type.  An empty list/dict has no
     // specific type.
-    if (type1->tt_type == VAR_UNKNOWN)
+    if (type1 == NULL || type1->tt_type == VAR_UNKNOWN)
     {
 	*dest = type2;
 	return;
     }
-    if (type2->tt_type == VAR_UNKNOWN)
+    if (type2 == NULL || type2->tt_type == VAR_UNKNOWN)
     {
 	*dest = type1;
 	return;

src/window.c

@@ -5860,8 +5860,8 @@ win_setminheight(void)
     // loop until there is a 'winminheight' that is possible
     while (p_wmh > 0)
     {
-	room = Rows - p_ch - tabline_height();
-	needed = frame_minheight(topframe, NULL);
+	room = Rows - p_ch;
+	needed = min_rows() - 1;  // 1 was added for the cmdline
 	if (room >= needed)
 	    break;
 	--p_wmh;