Moved default value to change.vim and added doc

autoload/vimtex.vim

@@ -153,11 +153,6 @@ function! s:init_environment() " {{{1
 endfunction
 
 function! s:init_options() " {{{1
-  "
-  " This function does two things:
-  " 1. Sets the buffer options for LaTeX editing
-  " 2. Defines all vimtex options with default values if not already defined
-  "
   let s:save_cpo = &cpo
   set cpo&vim
 
@@ -204,20 +199,6 @@ function! s:init_options() " {{{1
 
   let &cpo = s:save_cpo
   unlet s:save_cpo
-
-  let g:vimtex_change_complete_envs = [
-        \ 'itemize',
-        \ 'enumerate',
-        \ 'description',
-        \ 'center',
-        \ 'figure',
-        \ 'table',
-        \ 'equation',
-        \ 'multline',
-        \ 'align',
-        \ 'split',
-        \ '\[',
-        \ ]
 endfunction
 
 " }}}1

autoload/vimtex/change.vim

@@ -5,6 +5,20 @@
 "
 
 function! vimtex#change#init(initialized) " {{{1
+  call vimtex#util#set_default('g:vimtex_change_complete_envs', [
+        \ 'itemize',
+        \ 'enumerate',
+        \ 'description',
+        \ 'center',
+        \ 'figure',
+        \ 'table',
+        \ 'equation',
+        \ 'multline',
+        \ 'align',
+        \ 'split',
+        \ '\[',
+        \ ])
+
   " Define mappings
   nnoremap <silent><buffer> <plug>(vimtex-delete-env)
         \ :call vimtex#change#env('')<cr>

doc/vimtex.txt

@@ -287,6 +287,25 @@ Options~
       \ 'bib' : '\C\\\a*cite\a*\*\?\(\[[^\]]*\]\)*\_\s*{[^{}]*',
       \ })
 <
+*g:vimtex_change_complete_envs*
+  Define a list of environments that will be completed when changing the
+  surrounding environments (see |<plug>(vimtex-change-env)|).
+
+  Default value: >
+    let g:vimtex_change_complete_envs = [
+      \ 'itemize',
+      \ 'enumerate',
+      \ 'description',
+      \ 'center',
+      \ 'figure',
+      \ 'table',
+      \ 'equation',
+      \ 'multline',
+      \ 'align',
+      \ 'split',
+      \ '\[',
+      \ ]
+<
 *g:vimtex_fold_enabled*
   Use this option to disable/enable folding.