vim-patch:9.0.1950: Vim9: error codes spread out (#25405)

Problem:  Vim9: error codes spread out
Solution: group them together and reserve 100
          more for future use

Reserve 100 error codes for future enhancements to the Vim9 class
support

closes: vim/vim#13207

413f83990f

Co-authored-by: Yegappan Lakshmanan <yegappan@yahoo.com>

runtime/lua/vim/_meta/vimfn.lua

@@ -6238,55 +6238,55 @@ function vim.fn.prevnonblank(lnum) end
 ---   echo printf("%1$*2$.*3$f", 1.4142135, 6, 2)
 --- <    1.41
 ---
----           *E1400*
+---           *E1500*
 --- You cannot mix positional and non-positional arguments: >vim
 ---   echo printf("%s%1$s", "One", "Two")
---- <  E1400: Cannot mix positional and non-positional
+--- <  E1500: Cannot mix positional and non-positional
 ---   arguments: %s%1$s
 ---
----           *E1401*
+---           *E1501*
 --- You cannot skip a positional argument in a format string: >vim
 ---   echo printf("%3$s%1$s", "One", "Two", "Three")
---- <  E1401: format argument 2 unused in $-style
+--- <  E1501: format argument 2 unused in $-style
 ---   format: %3$s%1$s
 ---
----           *E1402*
+---           *E1502*
 --- You can re-use a [field-width] (or [precision]) argument: >vim
 ---   echo printf("%1$d at width %2$d is: %01$*2$d", 1, 2)
 --- <  1 at width 2 is: 01
 ---
 --- However, you can't use it as a different type: >vim
 ---   echo printf("%1$d at width %2$ld is: %01$*2$d", 1, 2)
---- <  E1402: Positional argument 2 used as field
+--- <  E1502: Positional argument 2 used as field
 ---   width reused as different type: long int/int
 ---
----           *E1403*
+---           *E1503*
 --- When a positional argument is used, but not the correct number
 --- or arguments is given, an error is raised: >vim
 ---   echo printf("%1$d at width %2$d is: %01$*2$.*3$d", 1, 2)
---- <  E1403: Positional argument 3 out of bounds:
+--- <  E1503: Positional argument 3 out of bounds:
 ---   %1$d at width %2$d is: %01$*2$.*3$d
 ---
 --- Only the first error is reported: >vim
 ---   echo printf("%01$*2$.*3$d %4$d", 1, 2)
---- <  E1403: Positional argument 3 out of bounds:
+--- <  E1503: Positional argument 3 out of bounds:
 ---   %01$*2$.*3$d %4$d
 ---
----           *E1404*
+---           *E1504*
 --- A positional argument can be used more than once: >vim
 ---   echo printf("%1$s %2$s %1$s", "One", "Two")
 --- <  One Two One
 ---
 --- However, you can't use a different type the second time: >vim
 ---   echo printf("%1$s %2$s %1$d", "One", "Two")
---- <  E1404: Positional argument 1 type used
+--- <  E1504: Positional argument 1 type used
 ---   inconsistently: int/string
 ---
----           *E1405*
+---           *E1505*
 --- Various other errors that lead to a format string being
 --- wrongly formatted lead to: >vim
 ---   echo printf("%1$d at width %2$d is: %01$*2$.3$d", 1, 2)
---- <  E1405: Invalid format specifier:
+--- <  E1505: Invalid format specifier:
 ---   %1$d at width %2$d is: %01$*2$.3$d
 ---
 --- @param fmt any