Use empty dict to disable indented conditionals (cf. #1078)

autoload/vimtex.vim

@@ -170,9 +170,6 @@ function! vimtex#init_options() " {{{1
         \ { 'lhs' : 'vr', 'rhs' : '\varrho' },
         \])
 
-  " Note: Default values are given in 'indent/tex.vim'
-  call s:init_option('vimtex_indent_conditionals', {})
-
   call s:init_option('vimtex_index_hide_line_numbers', 1)
   call s:init_option('vimtex_index_resize', 0)
   call s:init_option('vimtex_index_show_help', 1)

doc/vimtex.txt

@@ -1233,15 +1233,14 @@ Options~
   Default value: 1
 
 *g:vimtex_indent_conditionals*
-  This is a dictionary that defines regexes for indenting conditionals. To
-  disable this type of indentation, set the `disabled` key to 1.
+  This is a dictionary that defines regexes for indenting conditionals. Set it
+  to an empty dictionary to disable this type of indentation.
 
   Default value: >
     let g:vimtex_indent_conditionals = {
           \ 'open': '\v%(\\newif)@<!\\if%(field|name|numequal|thenelse)@!',
           \ 'else': '\\else\>',
           \ 'close': '\\fi\>',
-          \ 'disabled': 0,
           \}
 
 *g:vimtex_indent_delims*

indent/tex.vim

@@ -170,17 +170,26 @@ endif
 
 " }}}1
 function! s:indent_conditionals(line, lnum, prev_line, prev_lnum) abort " {{{1
-  if get(g:vimtex_indent_conditionals, 'disabled') | return 0 | endif
-
-  " Create script local regex dict based on user options
   if !exists('s:re_cond')
+    let l:cfg = {}
+
+    if exists('g:vimtex_indent_conditionals')
+      let l:cfg = g:vimtex_indent_conditionals
+      if empty(l:cfg)
+        let s:re_cond = {}
+        return 0
+      endif
+    endif
+
     let s:re_cond = extend({
           \ 'open': '\v(\\newif)@<!\\if(field|name|numequal|thenelse)@!',
           \ 'else': '\\else\>',
           \ 'close': '\\fi\>',
-          \}, g:vimtex_indent_conditionals)
+          \}, l:cfg)
   endif
 
+  if empty(s:re_cond) | return 0 | endif
+
   " Match for conditional indents
   if a:line =~# s:re_cond.close
     silent! unlet s:conditional_opened