Fix typos in docstring, comments, and news (#56778)

Author: clonefetch

NEWS.md

@@ -36,7 +36,7 @@ Language changes
    may pave the way for inference to be able to intelligently re-use the old
    results, once the new method is deleted. ([#53415])
 
- - Macro expansion will no longer eagerly recurse into into `Expr(:toplevel)`
+ - Macro expansion will no longer eagerly recurse into `Expr(:toplevel)`
    expressions returned from macros. Instead, macro expansion of `:toplevel`
    expressions will be delayed until evaluation time. This allows a later
    expression within a given `:toplevel` expression to make use of macros

base/deprecated.jl

@@ -4,7 +4,7 @@
 # Instructions for Julia Core Developers:
 # 1. When making a breaking change that is known to be depnedet upon by an
 #    important and closely coupled package, decide on a unique `change_name`
-#    for your PR and add it to the list below. In general, is is better to
+#    for your PR and add it to the list below. In general, it is better to
 #    err on the side of caution and assign a `change_name` even if it is not
 #    clear that it is required. `change_name`s may also be assigned after the
 #    fact in a separate PR. (Note that this may cause packages to misbehave

base/pointer.jl

@@ -169,7 +169,7 @@ The `unsafe` prefix on this function indicates that no validation is performed o
 pointer `p` to ensure that it is valid. Like C, the programmer is responsible for ensuring
 that referenced memory is not freed or garbage collected while invoking this function.
 Incorrect usage may segfault your program. Unlike C, storing memory region allocated as
-different type may be valid provided that that the types are compatible.
+different type may be valid provided that the types are compatible.
 
 !!! compat "Julia 1.10"
      The `order` argument is available as of Julia 1.10.

base/sysimg.jl

@@ -1,6 +1,6 @@
 # This file is a part of Julia. License is MIT: https://julialang.org/license
 
-# Can be be loaded on top of either an existing system image built from
+# Can be loaded on top of either an existing system image built from
 # `Base_compiler.jl` or standalone, in which case we will build it now.
 let had_compiler = isdefined(Main, :Base)
 if had_compiler; else