gh-89362: Doc IDLE menu and search (GH-95697)

Update menu item position and capitalization.
Add paragraph about search.
For help.html, include save-as addition.
(cherry picked from commit 834064c19a)

Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>

Doc/library/idle.rst

@@ -61,17 +61,17 @@ New File
 Open...
    Open an existing file with an Open dialog.
 
-Recent Files
-   Open a list of recent files.  Click one to open it.
-
 Open Module...
    Open an existing module (searches sys.path).
 
+Recent Files
+   Open a list of recent files.  Click one to open it.
+
 .. index::
-   single: Class browser
+   single: Module browser
    single: Path browser
 
-Class Browser
+Module Browser
    Show functions, classes, and methods in the current Editor file in a
    tree structure.  In the shell, open a module first.
 
@@ -89,7 +89,7 @@ Save As...
    Save the current window with a Save As dialog.  The file saved becomes the
    new associated file for the window. (If your file namager is set to hide
    extensions, the current extension will be omitted in the file name box.
-   If the new filename has no '.', '.py' and .'txt' will be added for Python
+   If the new filename has no '.', '.py' and '.txt' will be added for Python
    and text files, except that on macOS Aqua,'.py' is added for all files.)
 
 Save Copy As...
@@ -117,6 +117,9 @@ Undo
 Redo
    Redo the last undone change to the current window.
 
+Select All
+   Select the entire contents of the current window.
+
 Cut
    Copy selection into the system-wide clipboard; then delete the selection.
 
@@ -128,9 +131,6 @@ Paste
 
 The clipboard functions are also available in context menus.
 
-Select All
-   Select the entire contents of the current window.
-
 Find...
    Open a search dialog with many options
 
@@ -159,12 +159,12 @@ Expand Word
    Expand a prefix you have typed to match a full word in the same window;
    repeat to get a different expansion.
 
-Show call tip
+Show Call Tip
    After an unclosed parenthesis for a function, open a small window with
    function parameter hints.  See :ref:`Calltips <calltips>` in the
    Editing and navigation section below.
 
-Show surrounding parens
+Show Surrounding Parens
    Highlight the surrounding parenthesis.
 
 .. _format-menu:
@@ -172,6 +172,11 @@ Show surrounding parens
 Format menu (Editor window only)
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+Format Paragraph
+   Reformat the current blank-line-delimited paragraph in comment block or
+   multiline string or selected line in a string.  All lines in the
+   paragraph will be formatted to less than N columns, where N defaults to 72.
+
 Indent Region
    Shift selected lines right by the indent width (default 4 spaces).
 
@@ -198,12 +203,7 @@ New Indent Width
    Open a dialog to change indent width. The accepted default by the Python
    community is 4 spaces.
 
-Format Paragraph
+Strip Trailing Chitespace
-   Reformat the current blank-line-delimited paragraph in comment block or
-   multiline string or selected line in a string.  All lines in the
-   paragraph will be formatted to less than N columns, where N defaults to 72.
-
-Strip trailing whitespace
    Remove trailing space and other whitespace characters after the last
    non-whitespace character of a line by applying str.rstrip to each line,
    including lines within multiline strings.  Except for Shell windows,
@@ -474,6 +474,14 @@ are restricted to four spaces due to Tcl/Tk limitations.
 See also the indent/dedent region commands on the
 :ref:`Format menu <format-menu>`.
 
+Search and Replace
+^^^^^^^^^^^^^^^^^^
+
+Any selection becomes a search target.  However, only selections within
+a line work because searches are only performed within lines with the
+terminal newline removed.  If ``[x] Regular expresion`` is checked, the
+target is interpreted according to the Python re module.
+
 .. _completions:
 
 Completions

Lib/idlelib/help.html

@@ -91,6 +91,7 @@ <h3><a href="../contents.html">Table of Contents</a></h3>
 <li><a class="reference internal" href="#editor-windows">Editor windows</a></li>
 <li><a class="reference internal" href="#key-bindings">Key bindings</a></li>
 <li><a class="reference internal" href="#automatic-indentation">Automatic indentation</a></li>
+<li><a class="reference internal" href="#search-and-replace">Search and Replace</a></li>
 <li><a class="reference internal" href="#completions">Completions</a></li>
 <li><a class="reference internal" href="#calltips">Calltips</a></li>
 <li><a class="reference internal" href="#code-context">Code Context</a></li>
@@ -237,13 +238,13 @@ <h3>File menu (Shell and Editor)<a class="headerlink" href="#file-menu-shell-and
 </dd>
 <dt>Open…</dt><dd><p>Open an existing file with an Open dialog.</p>
 </dd>
-<dt>Recent Files</dt><dd><p>Open a list of recent files.  Click one to open it.</p>
-</dd>
 <dt>Open Module…</dt><dd><p>Open an existing module (searches sys.path).</p>
 </dd>
+<dt>Recent Files</dt><dd><p>Open a list of recent files.  Click one to open it.</p>
+</dd>
 </dl>
 <dl class="simple" id="index-1">
-<dt>Class Browser</dt><dd><p>Show functions, classes, and methods in the current Editor file in a
+<dt>Module Browser</dt><dd><p>Show functions, classes, and methods in the current Editor file in a
 tree structure.  In the shell, open a module first.</p>
 </dd>
 <dt>Path Browser</dt><dd><p>Show sys.path directories, modules, functions, classes and methods in a
@@ -255,10 +256,13 @@ <h3>File menu (Shell and Editor)<a class="headerlink" href="#file-menu-shell-and
 do Save As instead.</p>
 </dd>
 <dt>Save As…</dt><dd><p>Save the current window with a Save As dialog.  The file saved becomes the
-new associated file for the window.</p>
+new associated file for the window. (If your file namager is set to hide
+extensions, the current extension will be omitted in the file name box.
+If the new filename has no ‘.’, ‘.py’ and ‘.txt’ will be added for Python
+and text files, except that on macOS Aqua,’.py’ is added for all files.)</p>
 </dd>
 <dt>Save Copy As…</dt><dd><p>Save the current window to different file without changing the associated
-file.</p>
+file.  (See Save As note above about filename extensions.)</p>
 </dd>
 <dt>Print Window</dt><dd><p>Print the current window to the default printer.</p>
 </dd>
@@ -278,6 +282,8 @@ <h3>Edit menu (Shell and Editor)<a class="headerlink" href="#edit-menu-shell-and
 </dd>
 <dt>Redo</dt><dd><p>Redo the last undone change to the current window.</p>
 </dd>
+<dt>Select All</dt><dd><p>Select the entire contents of the current window.</p>
+</dd>
 <dt>Cut</dt><dd><p>Copy selection into the system-wide clipboard; then delete the selection.</p>
 </dd>
 <dt>Copy</dt><dd><p>Copy selection into the system-wide clipboard.</p>
@@ -287,8 +293,6 @@ <h3>Edit menu (Shell and Editor)<a class="headerlink" href="#edit-menu-shell-and
 </dl>
 <p>The clipboard functions are also available in context menus.</p>
 <dl class="simple">
-<dt>Select All</dt><dd><p>Select the entire contents of the current window.</p>
-</dd>
 <dt>Find…</dt><dd><p>Open a search dialog with many options</p>
 </dd>
 <dt>Find Again</dt><dd><p>Repeat the last search, if there is one.</p>
@@ -309,17 +313,21 @@ <h3>Edit menu (Shell and Editor)<a class="headerlink" href="#edit-menu-shell-and
 <dt>Expand Word</dt><dd><p>Expand a prefix you have typed to match a full word in the same window;
 repeat to get a different expansion.</p>
 </dd>
-<dt>Show call tip</dt><dd><p>After an unclosed parenthesis for a function, open a small window with
+<dt>Show Call Tip</dt><dd><p>After an unclosed parenthesis for a function, open a small window with
 function parameter hints.  See <a class="reference internal" href="#calltips"><span class="std std-ref">Calltips</span></a> in the
 Editing and navigation section below.</p>
 </dd>
-<dt>Show surrounding parens</dt><dd><p>Highlight the surrounding parenthesis.</p>
+<dt>Show Surrounding Parens</dt><dd><p>Highlight the surrounding parenthesis.</p>
 </dd>
 </dl>
 </section>
 <section id="format-menu-editor-window-only">
 <span id="format-menu"></span><h3>Format menu (Editor window only)<a class="headerlink" href="#format-menu-editor-window-only" title="Permalink to this heading">¶</a></h3>
 <dl class="simple">
+<dt>Format Paragraph</dt><dd><p>Reformat the current blank-line-delimited paragraph in comment block or
+multiline string or selected line in a string.  All lines in the
+paragraph will be formatted to less than N columns, where N defaults to 72.</p>
+</dd>
 <dt>Indent Region</dt><dd><p>Shift selected lines right by the indent width (default 4 spaces).</p>
 </dd>
 <dt>Dedent Region</dt><dd><p>Shift selected lines left by the indent width (default 4 spaces).</p>
@@ -338,11 +346,7 @@ <h3>Edit menu (Shell and Editor)<a class="headerlink" href="#edit-menu-shell-and
 <dt>New Indent Width</dt><dd><p>Open a dialog to change indent width. The accepted default by the Python
 community is 4 spaces.</p>
 </dd>
-<dt>Format Paragraph</dt><dd><p>Reformat the current blank-line-delimited paragraph in comment block or
+<dt>Strip Trailing Chitespace</dt><dd><p>Remove trailing space and other whitespace characters after the last
-multiline string or selected line in a string.  All lines in the
-paragraph will be formatted to less than N columns, where N defaults to 72.</p>
-</dd>
-<dt>Strip trailing whitespace</dt><dd><p>Remove trailing space and other whitespace characters after the last
 non-whitespace character of a line by applying str.rstrip to each line,
 including lines within multiline strings.  Except for Shell windows,
 remove extra newlines at the end of the file.</p>
@@ -565,6 +569,13 @@ <h3>Automatic indentation<a class="headerlink" href="#automatic-indentation" tit
 <p>See also the indent/dedent region commands on the
 <a class="reference internal" href="#format-menu"><span class="std std-ref">Format menu</span></a>.</p>
 </section>
+<section id="search-and-replace">
+<h3>Search and Replace<a class="headerlink" href="#search-and-replace" title="Permalink to this heading">¶</a></h3>
+<p>Any selection becomes a search target.  However, only selections within
+a line work because searches are only performed within lines with the
+terminal newline removed.  If <code class="docutils literal notranslate"><span class="pre">[x]</span> <span class="pre">Regular</span> <span class="pre">expresion</span></code> is checked, the
+target is interpreted according to the Python re module.</p>
+</section>
 <section id="completions">
 <span id="id3"></span><h3>Completions<a class="headerlink" href="#completions" title="Permalink to this heading">¶</a></h3>
 <p>Completions are supplied, when requested and available, for module
@@ -1021,6 +1032,7 @@ <h3><a href="../contents.html">Table of Contents</a></h3>
 <li><a class="reference internal" href="#editor-windows">Editor windows</a></li>
 <li><a class="reference internal" href="#key-bindings">Key bindings</a></li>
 <li><a class="reference internal" href="#automatic-indentation">Automatic indentation</a></li>
+<li><a class="reference internal" href="#search-and-replace">Search and Replace</a></li>
 <li><a class="reference internal" href="#completions">Completions</a></li>
 <li><a class="reference internal" href="#calltips">Calltips</a></li>
 <li><a class="reference internal" href="#code-context">Code Context</a></li>
@@ -1141,7 +1153,7 @@ <h3>Navigation</h3>
 <br />
     <br />
 
-    Last updated on Jul 03, 2022.
+    Last updated on Aug 05, 2022.
     <a href="/bugs.html">Found a bug</a>?
     <br />