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runtime(vim): Update base-syntax, improve script-interface command highlighting

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- Normalise interface heredoc highlighting with that used for
  :let-heredocs.
- Remove interface feature testing.  The Lua and Python interface
  command scripts are now highlighted by default.  Loading all syntax
  files incurs an undesirable load-time burden so highlighting of the
  less popular MzScheme, Perl, Ruby and Tcl interfaces is disabled by
  default.  g:vimsyn_embed can still be used to customise the supported
  interfaces.
- Always highlight interface ex-commands as valid commands, even when
  the corresponding command-script highlighting is disabled.
- Highlight simple command-script statements as well as heredocs.
- Remove error highlighting of heredoc and statement command-script
  regions when an interface is disabled.  These are now highlighted as
  plain text.
- Allow indented heredoc end tokens when "trim" is specified.
- Match interface heredocs in :def functions.
- Fix runaway vimEmbedError regions.  These regions have been removed.
- Use python2 syntax for :python, and :pythonx when 'pyxversion' is
  appropriately set.

closes: #15522

Signed-off-by: Doug Kearns <dougkearns@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
This commit is contained in:
Doug Kearns
2025-05-17 16:29:13 +02:00
committed by Christian Brabandt
parent 2a1e253e26
commit a577e4289c
81 changed files with 3126 additions and 443 deletions
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24
runtime/doc/syntax.txt
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@ -1,4 +1,4 @@
*syntax.txt* For Vim version 9.1. Last change: 2025 May 10
*syntax.txt* For Vim version 9.1. Last change: 2025 May 17
VIM REFERENCE MANUAL by Bram Moolenaar
@ -3996,6 +3996,7 @@ names whose syntax definitions will be included in Typst files. Example: >
VIM *vim.vim* *ft-vim-syntax*
*g:vimsyn_minlines* *g:vimsyn_maxlines*
There is a trade-off between more accurate syntax highlighting versus screen
updating speed. To improve accuracy, you may wish to increase the
g:vimsyn_minlines variable. The g:vimsyn_maxlines variable may be used to
@ -4019,10 +4020,9 @@ embedded script highlighting they wish to have. >
g:vimsyn_embed =~ 'r' : support embedded Ruby
g:vimsyn_embed =~ 't' : support embedded Tcl
<
By default, g:vimsyn_embed is a string supporting interpreters that your vim
itself supports. Concatenate the indicated characters to support multiple
types of embedded interpreters (e.g., g:vimsyn_embed = "mp" supports embedded
mzscheme and embedded perl).
By default, g:vimsyn_embed is unset, and the Lua and Python script interfaces
are supported.
*g:vimsyn_folding*
Some folding is now supported with when 'foldmethod' is set to "syntax": >
@ -4031,15 +4031,15 @@ Some folding is now supported with when 'foldmethod' is set to "syntax": >
g:vimsyn_folding =~ 'c' : fold Vim9 classes
g:vimsyn_folding =~ 'e' : fold Vim9 enums
g:vimsyn_folding =~ 'f' : fold functions
g:vimsyn_folding =~ 'h' : fold heredocs
g:vimsyn_folding =~ 'h' : fold let heredocs
g:vimsyn_folding =~ 'i' : fold Vim9 interfaces
g:vimsyn_folding =~ 'H' : fold Vim9 legacy headers
g:vimsyn_folding =~ 'l' : fold Lua script
g:vimsyn_folding =~ 'm' : fold MzScheme script
g:vimsyn_folding =~ 'p' : fold Perl script
g:vimsyn_folding =~ 'P' : fold Python script
g:vimsyn_folding =~ 'r' : fold Ruby script
g:vimsyn_folding =~ 't' : fold Tcl script
g:vimsyn_folding =~ 'l' : fold Lua heredocs
g:vimsyn_folding =~ 'm' : fold MzScheme heredocs
g:vimsyn_folding =~ 'p' : fold Perl heredocs
g:vimsyn_folding =~ 'P' : fold Python heredocs
g:vimsyn_folding =~ 'r' : fold Ruby heredocs
g:vimsyn_folding =~ 't' : fold Tcl heredocs
<
By default, g:vimsyn_folding is unset. Concatenate the indicated characters