runtime(doc): Wrap some overlength lines in vim9{,class}.txt.

closes: #18724

Signed-off-by: Doug Kearns <[email protected]>
Signed-off-by: Christian Brabandt <[email protected]>

Author: dkearns

runtime/doc/vim9.txt

@@ -1,4 +1,4 @@
-*vim9.txt*	For Vim version 9.1.  Last change: 2025 Nov 10
+*vim9.txt*	For Vim version 9.1.  Last change: 2025 Nov 11
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -3062,7 +3062,8 @@ much overhead that cannot be avoided.
 Therefore the `:def` method to define a new-style function had to be added,
 which allows for a function with different semantics.  Most things still work
 as before, but some parts do not.  A new way to define a function was
-considered the best way to separate the legacy style code from Vim9 style code.
+considered the best way to separate the legacy style code from Vim9 style
+code.
 
 Using "def" to define a function comes from Python.  Other languages use
 "function" which clashes with legacy Vim script.

runtime/doc/vim9class.txt

@@ -1,4 +1,4 @@
-*vim9class.txt*	For Vim version 9.1.  Last change: 2025 Nov 10
+*vim9class.txt*	For Vim version 9.1.  Last change: 2025 Nov 11
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -661,8 +661,8 @@ The basic idea is to build on top of an existing class, add properties to it.
 The extended class is called the "base class" or "super class".  The new class
 is called the "child class".
 
-Object variables from the base class are all taken over by the child class.  It
-is not possible to override them (unlike some other languages).
+Object variables from the base class are all taken over by the child class.
+It is not possible to override them (unlike some other languages).
 
 						*E1356* *E1357* *E1358*
 Object methods of the base class can be overruled.  The signature (arguments,