change(core): deprecate statusline_unicode_symbols option

Problem: the option name is too long
Solution: change `statusline_unicode_symbols` to `statusline_unicode`

autoload/SpaceVim.vim

@@ -578,21 +578,21 @@ let g:spacevim_statusline_left_sections = ['winnr', 'filename', 'major mode',
 let g:spacevim_statusline_right_sections = ['fileformat', 'cursorpos', 'percentage']
 
 ""
-" @section statusline_unicode_symbols, options-statusline_unicode_symbols
+" @section statusline_unicode, options-statusline_unicode
 " @parentsection options
 " Enable/Disable unicode symbols in statusline, includes the mode icons and
 " fileformat icons. This option is enabled by default, to disable it:
 " >
-"   statusline_unicode_symbols = false
+"   statusline_unicode = false
 " <
 
 ""
 " Enable/Disable unicode symbols in statusline, includes the mode icons and
 " fileformat icons. This option is enabled by default, to disable it:
 " >
-"   let g:spacevim_statusline_unicode_symbols = 0
+"   let g:spacevim_statusline_unicode = 0
 " <
-let g:spacevim_statusline_unicode_symbols = 1
+let g:spacevim_statusline_unicode = 1
 ""
 " Enable/Disable language specific leader, by default you can use `,` ket
 " instead of `SPC` `l`.

autoload/SpaceVim/layers/VersionControl.vim

@@ -70,7 +70,7 @@ function! s:git_branch() abort
         call fugitive#detect(getcwd())
         let head = fugitive#head()
       endif
-      if g:spacevim_statusline_unicode_symbols == 1
+      if g:spacevim_statusline_unicode == 1
         return empty(head) ? '' : '  '.head . ' ' . s:gtm_status()
       else
         return empty(head) ? '' : ' '.head . ' ' . s:gtm_status()
@@ -80,7 +80,7 @@ function! s:git_branch() abort
   elseif exists('g:loaded_git')
     try
       let head = '%{git#branch#current()}'
-      if g:spacevim_statusline_unicode_symbols == 1
+      if g:spacevim_statusline_unicode == 1
         return empty(head) ? '' : '  '.head . ' ' . s:gtm_status()
       else
         return empty(head) ? '' : ' '.head . ' ' . s:gtm_status()

autoload/SpaceVim/layers/core/statusline.vim

@@ -142,7 +142,7 @@ function! s:filename() abort
 endfunction
 
 function! s:fileformat() abort
-  if g:spacevim_statusline_unicode_symbols == 1
+  if g:spacevim_statusline_unicode == 1
     let g:_spacevim_statusline_fileformat = s:SYSTEM.fileformat()
   else
     let g:_spacevim_statusline_fileformat = &ff
@@ -156,13 +156,13 @@ function! s:major_mode() abort
 endfunction
 
 function! s:modes() abort
-  if g:spacevim_statusline_unicode_symbols
+  if g:spacevim_statusline_unicode
     let m = ' ❖ '
   else
     let m = ' # '
   endif
   for mode in s:loaded_modes
-    if g:spacevim_statusline_unicode_symbols
+    if g:spacevim_statusline_unicode
       let m .= s:modes[mode].icon . ' '
     else
       let m .= s:modes[mode].icon_asc . ' '
@@ -202,14 +202,14 @@ endfunction
 function! s:battery_status() abort
   if executable('acpi')
     let battery = split(system('acpi'))[-1][:-2]
-    if g:spacevim_statusline_unicode_symbols
+    if g:spacevim_statusline_unicode
       return ' ' . s:ICON.battery_status(battery) . '  '
     else
       return ' ⚡' . battery . ' '
     endif
   elseif executable('pmset')
     let battery = matchstr(system('pmset -g batt'), '\d\+%')[:-2]
-    if g:spacevim_statusline_unicode_symbols
+    if g:spacevim_statusline_unicode
       return ' ' . s:ICON.battery_status(battery) . '  '
     else
       return ' ⚡' . battery . ' '

doc/SpaceVim.txt

@@ -69,8 +69,7 @@ CONTENTS                                                   *SpaceVim-contents*
       49. statusline_iseparator.......|SpaceVim-options-statusline_iseparator|
       50. statusline_left_sections.|SpaceVim-options-statusline_left_sections|
       51. statusline_separator.........|SpaceVim-options-statusline_separator|
-      52. statusline_unicode_symbols
+      52. statusline_unicode.............|SpaceVim-options-statusline_unicode|
-.................................|SpaceVim-options-statusline_unicode_symbols|
       53. terminal_cursor_shape.......|SpaceVim-options-terminal_cursor_shape|
       54. vim_help_language...............|SpaceVim-options-vim_help_language|
       55. vimcompatible.......................|SpaceVim-options-vimcompatible|
@@ -699,12 +698,12 @@ See more details in: http://spacevim.org/documentation/#statusline
 
 
 ==============================================================================
-STATUSLINE_UNICODE_SYMBOLS       *SpaceVim-options-statusline_unicode_symbols*
+STATUSLINE_UNICODE                       *SpaceVim-options-statusline_unicode*
 
 Enable/Disable unicode symbols in statusline, includes the mode icons and
 fileformat icons. This option is enabled by default, to disable it:
 >
-  statusline_unicode_symbols = false
+  statusline_unicode = false
 <
 
 ==============================================================================
@@ -1010,11 +1009,11 @@ Define the right section of statusline in active windows. By default:
     \ ]
 <
 
-                                       *g:spacevim_statusline_unicode_symbols*
+                                               *g:spacevim_statusline_unicode*
 Enable/Disable unicode symbols in statusline, includes the mode icons and
 fileformat icons. This option is enabled by default, to disable it:
 >
-  let g:spacevim_statusline_unicode_symbols = 0
+  let g:spacevim_statusline_unicode = 0
 <
 
                                   *g:spacevim_enable_language_specific_leader*

docs/cn/documentation.md

@@ -621,7 +621,7 @@ SpaceVim 所支持的分割符以及截图如下：
 
 **SpaceVim 功能模块：**
 
-功能模块可以通过 `SPC t m m` 快捷键显示或者隐藏。默认使用 Unicode 字符，可通过设置 `statusline_unicode_symbols = false` 来启用 ASCII 字符。(或许在终端中无法设置合适的字体时，可使用这一选项)。
+功能模块可以通过 `SPC t m m` 快捷键显示或者隐藏。默认使用 Unicode 字符，可通过设置 `statusline_unicode = false` 来启用 ASCII 字符。(或许在终端中无法设置合适的字体时，可使用这一选项)。
 
 状态栏中功能模块内的字符显示与否，同如下快捷键功能保持一致：
 

docs/documentation.md

@@ -681,7 +681,7 @@ Here is an exhaustive set of screenshots for all the available separators:
 
 The minor mode area can be toggled on and off with `SPC t m m`.
 
-Unicode symbols are displayed by default. Add `statusline_unicode_symbols = false` to your custom configuration file to use ASCII characters instead (may be useful in the terminal if you cannot set an appropriate font).
+Unicode symbols are displayed by default. Add `statusline_unicode = false` to your custom configuration file to use ASCII characters instead (may be useful in the terminal if you cannot set an appropriate font).
 
 The letters displayed in the statusline correspond to the key bindings used to toggle them.
 

mode/basic.toml

@@ -24,7 +24,7 @@
     windows_index_type = 3
     enable_tabline_filetype_icon = false
     enable_statusline_mode = false
-    statusline_unicode_symbols = false
+    statusline_unicode = false
     # Enable vim compatible mode, avoid changing origin vim key bindings
     vimcompatible = true