patch 9.1.1698: Some error numbers are not documented

Commit: 
https://github.com/vim/vim/commit/5e27058fc4a98dbea16f72bc54e76bbe1d455168
Author: Yegappan Lakshmanan <[email protected]>
Date:   Wed Aug 27 18:00:38 2025 +0200

    patch 9.1.1698: Some error numbers are not documented
    
    Problem:  Some error numbers are not documented
              (Restorer)
    Solution: Document missing error numbers (Yegappan Lakshmanan).
    
    fixes: #18114
    closes: #18135
    
    Signed-off-by: Yegappan Lakshmanan <[email protected]>
    Signed-off-by: Christian Brabandt <[email protected]>

diff --git a/runtime/doc/autocmd.txt b/runtime/doc/autocmd.txt
index f5ccae214..69f28b95e 100644
--- a/runtime/doc/autocmd.txt
+++ b/runtime/doc/autocmd.txt
@@ -1,4 +1,4 @@
-*autocmd.txt*   For Vim version 9.1.  Last change: 2025 Aug 23
+*autocmd.txt*   For Vim version 9.1.  Last change: 2025 Aug 27
 
 
                  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -546,6 +546,7 @@ BufUnload                   Before unloading a buffer.  
This is when the
                                NOTE: When this autocommand is executed, the
                                current buffer "%" may be different from the
                                buffer being unloaded "<afile>".
+                                                               *E1546*
                                Don't change to another buffer or window, it
                                will cause problems!
                                When exiting and v:dying is 2 or more this
diff --git a/runtime/doc/options.txt b/runtime/doc/options.txt
index 8dba6f43b..470326760 100644
--- a/runtime/doc/options.txt
+++ b/runtime/doc/options.txt
@@ -1,4 +1,4 @@
-*options.txt*  For Vim version 9.1.  Last change: 2025 Aug 23
+*options.txt*  For Vim version 9.1.  Last change: 2025 Aug 27
 
 
                  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -1746,6 +1746,7 @@ A jump table for the options with a short description can 
be found at |Q_op|.
        security reasons.
 
                                                *'chistory'* *'chi'*
+                                               *E1542* *E1543* *E1544*
 'chistory' 'chi'       number  (default: 10)
                        global
                        {only available when compiled with the |+quickfix|
diff --git a/runtime/doc/popup.txt b/runtime/doc/popup.txt
index ba87b31f1..a3d25a4cf 100644
--- a/runtime/doc/popup.txt
+++ b/runtime/doc/popup.txt
@@ -1,4 +1,4 @@
-*popup.txt*  For Vim version 9.1.  Last change: 2025 Feb 20
+*popup.txt*  For Vim version 9.1.  Last change: 2025 Aug 27
 
 
                  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -285,6 +285,7 @@ popup_create({what}, {options})                             
*popup_create()*
                an existing swap file, it is silently opened read-only, as if
                a |SwapExists| autocommand had set |v:swapchoice| to 'o'.
                This is because we assume the buffer is only used for viewing.
+               The buffer number cannot refer to a closing buffer.     *E1551*
 
                {options} is a dictionary with many possible entries.
                See |popup_create-arguments| for details.
diff --git a/runtime/doc/quickfix.txt b/runtime/doc/quickfix.txt
index 248b68d90..02a1a663e 100644
--- a/runtime/doc/quickfix.txt
+++ b/runtime/doc/quickfix.txt
@@ -1,4 +1,4 @@
-*quickfix.txt*  For Vim version 9.1.  Last change: 2025 Aug 10
+*quickfix.txt*  For Vim version 9.1.  Last change: 2025 Aug 27
 
 
                  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -43,7 +43,7 @@ From inside Vim an easy way to run a command and handle the 
output is with the
 The 'errorformat' option should be set to match the error messages from your
 compiler (see |errorformat| below).
 
-                                       *quickfix-stack* *quickfix-ID*
+                                       *quickfix-stack* *quickfix-ID* *E1545*
 Each quickfix list has a unique identifier called the quickfix ID and this
 number will not change within a Vim session. The |getqflist()| function can be
 used to get the identifier assigned to a list. There is also a quickfix list
diff --git a/runtime/doc/tags b/runtime/doc/tags
index 8af54eae0..72d2727af 100644
--- a/runtime/doc/tags
+++ b/runtime/doc/tags
@@ -4420,6 +4420,7 @@ E1231     map.txt /*E1231*
 E1232  builtin.txt     /*E1232*
 E1233  builtin.txt     /*E1233*
 E1234  vim9.txt        /*E1234*
+E1235  vim9.txt        /*E1235*
 E1236  vim9.txt        /*E1236*
 E1237  map.txt /*E1237*
 E1238  vim9.txt        /*E1238*
@@ -4439,6 +4440,7 @@ E125      userfunc.txt    /*E125*
 E1250  vim9.txt        /*E1250*
 E1251  vim9.txt        /*E1251*
 E1252  vim9.txt        /*E1252*
+E1253  vim9.txt        /*E1253*
 E1254  vim9.txt        /*E1254*
 E1255  map.txt /*E1255*
 E1256  vim9.txt        /*E1256*
@@ -4521,6 +4523,7 @@ E1325     vim9class.txt   /*E1325*
 E1326  vim9class.txt   /*E1326*
 E1327  vim9class.txt   /*E1327*
 E1328  vim9class.txt   /*E1328*
+E1329  vim9class.txt   /*E1329*
 E133   userfunc.txt    /*E133*
 E1330  vim9class.txt   /*E1330*
 E1331  vim9class.txt   /*E1331*
@@ -4602,6 +4605,7 @@ E1400     vim9class.txt   /*E1400*
 E1401  vim9class.txt   /*E1401*
 E1402  vim9class.txt   /*E1402*
 E1403  vim9class.txt   /*E1403*
+E1404  vim9class.txt   /*E1404*
 E1405  vim9class.txt   /*E1405*
 E1406  vim9class.txt   /*E1406*
 E1407  vim9class.txt   /*E1407*
@@ -4626,8 +4630,12 @@ E1423    vim9class.txt   /*E1423*
 E1424  vim9class.txt   /*E1424*
 E1425  vim9class.txt   /*E1425*
 E1426  vim9class.txt   /*E1426*
+E1427  vim9class.txt   /*E1427*
+E1428  vim9class.txt   /*E1428*
 E1429  vim9class.txt   /*E1429*
 E143   autocmd.txt     /*E143*
+E1430  vim9class.txt   /*E1430*
+E1431  vim9class.txt   /*E1431*
 E1432  vim9.txt        /*E1432*
 E1433  vim9.txt        /*E1433*
 E1434  vim9.txt        /*E1434*
@@ -4687,11 +4695,17 @@ E1539   vim9.txt        /*E1539*
 E154   helphelp.txt    /*E154*
 E1540  eval.txt        /*E1540*
 E1541  vi_diff.txt     /*E1541*
+E1542  options.txt     /*E1542*
+E1543  options.txt     /*E1543*
+E1544  options.txt     /*E1544*
+E1545  quickfix.txt    /*E1545*
+E1546  autocmd.txt     /*E1546*
 E1547  various.txt     /*E1547*
 E1548  wayland.txt     /*E1548*
 E1549  options.txt     /*E1549*
 E155   sign.txt        /*E155*
 E1550  options.txt     /*E1550*
+E1551  popup.txt       /*E1551*
 E1552  vim9.txt        /*E1552*
 E1553  vim9.txt        /*E1553*
 E1554  vim9.txt        /*E1554*
diff --git a/runtime/doc/vim9.txt b/runtime/doc/vim9.txt
index 063c17936..3de4a75e9 100644
--- a/runtime/doc/vim9.txt
+++ b/runtime/doc/vim9.txt
@@ -1,4 +1,4 @@
-*vim9.txt*     For Vim version 9.1.  Last change: 2025 Jul 21
+*vim9.txt*     For Vim version 9.1.  Last change: 2025 Aug 27
 
 
                  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -1737,9 +1737,9 @@ argument type checking: >
 <
                         *E1211* *E1217* *E1218* *E1219* *E1220* *E1221*
                         *E1222* *E1223* *E1224* *E1225* *E1226* *E1227*
-                        *E1228* *E1238* *E1250* *E1251* *E1252* *E1256*
-                        *E1297* *E1298* *E1301* *E1528* *E1529* *E1530*
-                        *E1531* *E1534*
+                        *E1228* *E1235* *E1238* *E1250* *E1251* *E1252*
+                        *E1253* *E1256* *E1297* *E1298* *E1301* *E1528*
+                        *E1529* *E1530* *E1531* *E1534*
 Types are checked for most builtin functions to make it easier to spot
 mistakes.
 
diff --git a/runtime/doc/vim9class.txt b/runtime/doc/vim9class.txt
index 82c7573b3..0991c1b77 100644
--- a/runtime/doc/vim9class.txt
+++ b/runtime/doc/vim9class.txt
@@ -1,4 +1,4 @@
-*vim9class.txt*        For Vim version 9.1.  Last change: 2025 Jul 24
+*vim9class.txt*        For Vim version 9.1.  Last change: 2025 Aug 27
 
 
                  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -282,7 +282,7 @@ name.
 
 3.  Class Variables and Methods                        *Vim9-class-member*
 
-                                           *:static* *E1337* *E1338* *E1368*
+                                   *:static* *E1329* *E1337* *E1338* *E1368*
 Class members are declared with "static".  They are used by the name without a
 prefix in the class where they are defined: >
 
@@ -515,12 +515,18 @@ prefix when defining the method: >
 <
 A static method in an abstract class cannot be an abstract method.
 
+                                               *E1404*
+An interface method cannot be an abstract method.
+
                                                *E1373*
 A non-abstract class extending the abstract class must implement all the
 abstract methods.  The signature (arguments, argument types and return type)
 must be exactly the same.  If the return type of a method is a class, then
 that class or one of its subclasses can be used in the extended method.
 
+                                               *E1431*
+An abstract method in an abstract super class cannot be invoked.
+
 ==============================================================================
 
 5.  Using an interface                         *Vim9-using-interface*
@@ -637,6 +643,7 @@ object variable name used in a super class cannot be reused 
in a child class.
 
 Object Variable Initialization ~
 
+                                                       *E1430*
 If the type of a variable is not explicitly specified in a class, then it is
 set to "any" during class definition.  When an object is instantiated from the
 class, then the type of the variable is set.
@@ -959,10 +966,10 @@ An enum is a type that can have one of a list of values.  
Example: >
        Green, Blue, Black
     endenum
 <
-                                               *enumvalue* *E1422*
+                                               *enumvalue* *E1422* *E1428*
 The enum values are separated by commas.  More than one enum value can be
 listed in a single line.  The final enum value should not be followed by a
-comma.
+comma.  Duplicate enum values are not allowed.
 
 An enum value is accessed using the enum name followed by the value name: >
 
@@ -1021,7 +1028,7 @@ The following example shows an enum with object variables 
and methods: >
 Enums and their values are immutable.  They cannot be utilized as numerical or
 string types.  Enum values can declare mutable instance variables.
 
-                                               *enum-name*
+                                               *enum-name* *E1427*
 Each enum value object has a "name" instance variable which contains the name
 of the enum value.  This is a readonly variable.
 
diff --git a/src/errors.h b/src/errors.h
index 5d6867464..bc418ff9d 100644
--- a/src/errors.h
+++ b/src/errors.h
@@ -3224,7 +3224,6 @@ EXTERN char 
e_string_list_or_blob_required_for_argument_nr[]
        INIT(= N_("E1252: String, List or Blob required for argument %d"));
 EXTERN char e_string_list_tuple_or_blob_required_for_argument_nr[]
        INIT(= N_("E1253: String, List, Tuple or Blob required for argument 
%d"));
-// E1253 unused
 EXTERN char e_cannot_use_script_variable_in_for_loop[]
        INIT(= N_("E1254: Cannot use script variable in for loop"));
 #endif
diff --git a/src/version.c b/src/version.c
index 5a6cac185..9d0d4e83a 100644
--- a/src/version.c
+++ b/src/version.c
@@ -724,6 +724,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1698,
 /**/
     1697,
 /**/

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