encoding: cleanup defaults of iskeyword, isprint and fileencodings

src/nvim/mbyte.c

@@ -568,11 +568,6 @@ char_u * mb_init(void)
   /* When enc_utf8 is set or reset, (de)allocate ScreenLinesUC[] */
   screenalloc(false);
 
-  /* When using Unicode, set default for 'fileencodings'. */
-  if (enc_utf8 && !option_was_set((char_u *)"fencs"))
-    set_string_option_direct((char_u *)"fencs", -1,
-        (char_u *)"ucs-bom,utf-8,default,latin1", OPT_FREE, 0);
-
 #ifdef HAVE_WORKING_LIBINTL
   /* GNU gettext 0.10.37 supports this feature: set the codeset used for
    * translated messages independently from the current locale. */

src/nvim/option.c

@@ -233,12 +233,6 @@ typedef struct vimoption {
 #define P_CURSWANT    0x2000000U /* update curswant required; not needed when
                                   * there is a redraw flag */
 
-#define ISK_LATIN1  (char_u *)"@,48-57,_,192-255"
-
-/* 'isprint' for latin1 is also used for MS-Windows cp1252, where 0x80 is used
- * for the currency sign. */
-# define ISP_LATIN1 (char_u *)"@,161-255"
-
 #define HIGHLIGHT_INIT \
   "8:SpecialKey,~:EndOfBuffer,z:TermCursor,Z:TermCursorNC,@:NonText," \
   "d:Directory,e:ErrorMsg,i:IncSearch,l:Search,m:MoreMsg,M:ModeMsg,n:LineNr," \
@@ -789,26 +783,6 @@ void set_init_1(void)
   // Initialize multibyte (utf-8) handling
   mb_init();
 
-#if defined(MSWIN) || defined(MACOS)
-  if (STRCMP(p_enc, "latin1") == 0
-      || enc_utf8
-      ) {
-    /* Adjust the default for 'isprint' and 'iskeyword' to match
-     * latin1. */
-    set_string_option_direct((char_u *)"isp", -1,
-        ISP_LATIN1, OPT_FREE, SID_NONE);
-    set_string_option_direct((char_u *)"isk", -1,
-        ISK_LATIN1, OPT_FREE, SID_NONE);
-    opt_idx = findoption((char_u *)"isp");
-    if (opt_idx >= 0)
-      options[opt_idx].def_val[VIM_DEFAULT] = ISP_LATIN1;
-    opt_idx = findoption((char_u *)"isk");
-    if (opt_idx >= 0)
-      options[opt_idx].def_val[VIM_DEFAULT] = ISK_LATIN1;
-    (void)init_chartab();
-  }
-#endif
-
   // Don't change &encoding when resetting to defaults with ":set all&".
   opt_idx = findoption((char_u *)"encoding");
   if (opt_idx >= 0) {

src/nvim/options.lua

@@ -748,7 +748,7 @@ return {
       type='string', list='comma', scope={'global'},
       vi_def=true,
       varname='p_fencs',
-      defaults={if_true={vi="ucs-bom"}}
+      defaults={if_true={vi="ucs-bom,utf-8,default,latin1"}}
     },
     {
       full_name='fileformat', abbreviation='ff',
@@ -1285,7 +1285,7 @@ return {
       vim=true,
       alloced=true,
       varname='p_isk',
-      defaults={if_true={vi="@,48-57,_", vim=macros('ISK_LATIN1')}}
+      defaults={if_true={vi="@,48-57,_", vim="@,48-57,_,192-255"}}
     },
     {
       full_name='isprint', abbreviation='isp',
@@ -1294,10 +1294,7 @@ return {
       vi_def=true,
       redraw={'all_windows'},
       varname='p_isp',
-      defaults={
-        condition='MSWIN',
-        if_true={vi="@,~-255"},
-        if_false={vi=macros("ISP_LATIN1")}
+      defaults={if_true={vi="@,161-255"}
       }
     },
     {