change naming

Author: vbvictor

clang-tools-extra/clang-tidy/tool/ClangTidyMain.cpp

@@ -132,10 +132,11 @@ file, if any.
 
 static cl::opt<std::string> HeaderFilter("header-filter", desc(R"(
 Regular expression matching the names of the
-headers to output diagnostics from. Diagnostics
-from all non-system headers are displayed by
-default. Diagnostics from the main file of
-each translation unit are always displayed.
+headers to output diagnostics from. The default
+value is '.*', i.e. diagnostics from all non-system
+headers are displayed by default. Diagnostics
+from the main file of each translation unit are
+always displayed.
 Can be used together with -line-filter.
 This option overrides the 'HeaderFilterRegex'
 option in .clang-tidy file, if any.

clang-tools-extra/clang-tidy/tool/run-clang-tidy.py

@@ -470,8 +470,8 @@ async def main() -> None:
         default=None,
         help="Regular expression matching the names of the "
         "headers to output diagnostics from. Diagnostics from "
-        "the main file and all non-system headers of each "
-        "translation unit are always displayed.",
+        "the main file of each translation unit are always "
+        "displayed.",
     )
     parser.add_argument(
         "-source-filter",

clang-tools-extra/docs/clang-tidy/index.rst

@@ -215,10 +215,11 @@ An overview of all the command-line options:
                                        This option overrides the 'FormatStyle` option in
                                        .clang-tidy file, if any.
     --header-filter=<string>         - Regular expression matching the names of the
-                                       headers to output diagnostics from. Diagnostics
-                                       from all non-system headers are displayed by
-                                       default. Diagnostics from the main file of
-                                       each translation unit are always displayed.
+                                       headers to output diagnostics from. The default
+                                       value is '.*', i.e. diagnostics from all non-system
+                                       headers are displayed by default. Diagnostics
+                                       from the main file of each translation unit are
+                                       always displayed.
                                        Can be used together with -line-filter.
                                        This option overrides the 'HeaderFilterRegex'
                                        option in .clang-tidy file, if any.