Bump all nvim-specific error codes above E5000

In order to not conflict with new error codes that Vim adds, all Neovim
error codes should be above 5000.  The three existing sub-5000 error
codes (E926, E951, and E952) are now E50003, E5004, and E5005
respectively.

E953 was removed in 6167ce6df2753d5474ad49aea19f5957128ab015, so just
remove it from the help.

3 files changed, 14 insertions, 14 deletions

diff --git a/test/functional/eval/msgpack_functions_spec.lua b/test/functional/eval/msgpack_functions_spec.lua
index f11c08de05..ebe7c5492b 100644
--- a/test/functional/eval/msgpack_functions_spec.lua
+++ b/test/functional/eval/msgpack_functions_spec.lua
@@ -566,27 +566,27 @@ describe('msgpackdump() function', function()
 
   it('fails to dump a function reference', function()
     execute('let Todump = function("tr")')
-    eq('Vim(call):E951: Error while dumping msgpackdump() argument, index 0, itself: attempt to dump function reference',
+    eq('Vim(call):E5004: Error while dumping msgpackdump() argument, index 0, itself: attempt to dump function reference',
        exc_exec('call msgpackdump([Todump])'))
   end)
 
   it('fails to dump a function reference in a list', function()
     execute('let todump = [function("tr")]')
-    eq('Vim(call):E951: Error while dumping msgpackdump() argument, index 0, index 0: attempt to dump function reference',
+    eq('Vim(call):E5004: Error while dumping msgpackdump() argument, index 0, index 0: attempt to dump function reference',
        exc_exec('call msgpackdump([todump])'))
   end)
 
   it('fails to dump a recursive list', function()
     execute('let todump = [[[]]]')
     execute('call add(todump[0][0], todump)')
-    eq('Vim(call):E952: Unable to dump msgpackdump() argument, index 0: container references itself in index 0, index 0, index 0',
+    eq('Vim(call):E5005: Unable to dump msgpackdump() argument, index 0: container references itself in index 0, index 0, index 0',
        exc_exec('call msgpackdump([todump])'))
   end)
 
   it('fails to dump a recursive dict', function()
     execute('let todump = {"d": {"d": {}}}')
     execute('call extend(todump.d.d, {"d": todump})')
-    eq('Vim(call):E952: Unable to dump msgpackdump() argument, index 0: container references itself in key \'d\', key \'d\', key \'d\'',
+    eq('Vim(call):E5005: Unable to dump msgpackdump() argument, index 0: container references itself in key \'d\', key \'d\', key \'d\'',
        exc_exec('call msgpackdump([todump])'))
   end)
 
@@ -605,35 +605,35 @@ describe('msgpackdump() function', function()
   it('fails to dump a recursive list in a special dict', function()
     execute('let todump = {"_TYPE": v:msgpack_types.array, "_VAL": []}')
     execute('call add(todump._VAL, todump)')
-    eq('Vim(call):E952: Unable to dump msgpackdump() argument, index 0: container references itself in index 0',
+    eq('Vim(call):E5005: Unable to dump msgpackdump() argument, index 0: container references itself in index 0',
        exc_exec('call msgpackdump([todump])'))
   end)
 
   it('fails to dump a recursive (key) map in a special dict', function()
     execute('let todump = {"_TYPE": v:msgpack_types.map, "_VAL": []}')
     execute('call add(todump._VAL, [todump, 0])')
-    eq('Vim(call):E952: Unable to dump msgpackdump() argument, index 0: container references itself in index 1',
+    eq('Vim(call):E5005: Unable to dump msgpackdump() argument, index 0: container references itself in index 1',
        exc_exec('call msgpackdump([todump])'))
   end)
 
   it('fails to dump a recursive (val) map in a special dict', function()
     execute('let todump = {"_TYPE": v:msgpack_types.map, "_VAL": []}')
     execute('call add(todump._VAL, [0, todump])')
-    eq('Vim(call):E952: Unable to dump msgpackdump() argument, index 0: container references itself in key 0 at index 0 from special map',
+    eq('Vim(call):E5005: Unable to dump msgpackdump() argument, index 0: container references itself in key 0 at index 0 from special map',
        exc_exec('call msgpackdump([todump])'))
   end)
 
   it('fails to dump a recursive (key) map in a special dict, _VAL reference', function()
     execute('let todump = {"_TYPE": v:msgpack_types.map, "_VAL": [[[], []]]}')
     execute('call add(todump._VAL[0][0], todump._VAL)')
-    eq('Vim(call):E952: Unable to dump msgpackdump() argument, index 0: container references itself in key [[[[...@0], []]]] at index 0 from special map, index 0',
+    eq('Vim(call):E5005: Unable to dump msgpackdump() argument, index 0: container references itself in key [[[[...@0], []]]] at index 0 from special map, index 0',
        exc_exec('call msgpackdump([todump])'))
   end)
 
   it('fails to dump a recursive (val) map in a special dict, _VAL reference', function()
     execute('let todump = {"_TYPE": v:msgpack_types.map, "_VAL": [[[], []]]}')
     execute('call add(todump._VAL[0][1], todump._VAL)')
-    eq('Vim(call):E952: Unable to dump msgpackdump() argument, index 0: container references itself in key [] at index 0 from special map, index 0',
+    eq('Vim(call):E5005: Unable to dump msgpackdump() argument, index 0: container references itself in key [] at index 0 from special map, index 0',
        exc_exec('call msgpackdump([todump])'))
   end)
 
@@ -641,7 +641,7 @@ describe('msgpackdump() function', function()
   function()
     execute('let todump = {"_TYPE": v:msgpack_types.array, "_VAL": []}')
     execute('call add(todump._VAL, [0, todump._VAL])')
-    eq('Vim(call):E952: Unable to dump msgpackdump() argument, index 0: container references itself in index 0, index 1',
+    eq('Vim(call):E5005: Unable to dump msgpackdump() argument, index 0: container references itself in index 0, index 1',
        exc_exec('call msgpackdump([todump])'))
   end)
 
diff --git a/test/functional/shada/errors_spec.lua b/test/functional/shada/errors_spec.lua
index 98ead6cc3d..19f35571d7 100644
--- a/test/functional/shada/errors_spec.lua
+++ b/test/functional/shada/errors_spec.lua
@@ -497,7 +497,7 @@ $
   it('errors when a funcref is stored in a variable', function()
     nvim_command('let F = function("tr")')
     nvim_command('set shada+=!')
-    eq('\nE951: Error while dumping variable g:F, itself: attempt to dump function reference'
+    eq('\nE5004: Error while dumping variable g:F, itself: attempt to dump function reference'
        .. '\nE574: Failed to write variable F',
        redir_exec('wshada'))
   end)
@@ -506,7 +506,7 @@ $
     nvim_command('let L = []')
     nvim_command('call add(L, L)')
     nvim_command('set shada+=!')
-    eq('\nE952: Unable to dump variable g:L: container references itself in index 0'
+    eq('\nE5005: Unable to dump variable g:L: container references itself in index 0'
        .. '\nE574: Failed to write variable L',
        redir_exec('wshada'))
   end)
diff --git a/test/functional/shada/variables_spec.lua b/test/functional/shada/variables_spec.lua
index 15502f0b71..a420462437 100644
--- a/test/functional/shada/variables_spec.lua
+++ b/test/functional/shada/variables_spec.lua
@@ -132,7 +132,7 @@ describe('ShaDa support code', function()
     meths.set_var('U', '10')
     nvim_command('set shada+=!')
     set_additional_cmd('set shada+=!')
-    eq('Vim(wshada):E951: Error while dumping variable g:F, itself: attempt to dump function reference',
+    eq('Vim(wshada):E5004: Error while dumping variable g:F, itself: attempt to dump function reference',
        exc_exec('wshada'))
     meths.set_option('shada', '')
     reset()
@@ -145,7 +145,7 @@ describe('ShaDa support code', function()
     nvim_command('call add(L, L)')
     meths.set_var('U', '10')
     nvim_command('set shada+=!')
-    eq('Vim(wshada):E952: Unable to dump variable g:L: container references itself in index 0',
+    eq('Vim(wshada):E5005: Unable to dump variable g:L: container references itself in index 0',
        exc_exec('wshada'))
     meths.set_option('shada', '')
     set_additional_cmd('set shada+=!')