Fix RST escaping bugs causing --fail-on-warning build failure

CI builds with sphinx-build --fail-on-warning, so the 56 warnings from
the previous push were hard failures. Root cause: two escaping bugs
introduced across the large tkinter.po translation batch.

1. A role/literal close (`` ` `` or ``` `` ```) directly followed by a
   full-width （ with no `\ ` separator confuses docutils' inline markup
   boundary detection, which can silently swallow or merge adjacent
   role references in the same paragraph -- surfacing as Sphinx's
   i18n.inconsistent_references warnings (dropped or merged :class:/
   :meth:/:attr:/:term: references) in tkinter.po, tkinter.ttk.po,
   http.cookiejar.po, and c-api/unicode.po.

2. The same applies to *emphasis*（ with no space/separator before the
   parenthesis, which docutils reports as "Inline emphasis start-string
   without end-string" since the closing `*` isn't followed by a
   recognized boundary character. Fixed by adding the space that's
   already the established convention elsewhere in this file.

Also fixes a review comment on PR #1239: removes a stray literal space
that rendered as a visible gap between adjacent Chinese text and a
role's Chinese display text in c-api/dict.po.

Co-authored-by: Claude <noreply@anthropic.com>

Author: claude

c-api/dict.po

@@ -110,7 +110,7 @@ msgid ""
 "on success or ``-1`` on failure. This function *does not* \":term:`steal`\" "
 "a reference to *val*."
 msgstr ""
-"以 *key* 為鍵，將 *val* 插入至字典 *p* 中。*key* 必須是 :term:`可雜湊的 "
+"以 *key* 為鍵，將 *val* 插入至字典 *p* 中。*key* 必須是\\ :term:`可雜湊的 "
 "<hashable>`，否則將引發 :exc:`TypeError`。成功時回傳 ``0``，失敗時回傳 "
 "``-1``。此函式\\ *不會*\\ 「:term:`竊取 <steal>`」對 *val* 的參照。"
 

c-api/unicode.po

@@ -926,8 +926,8 @@ msgid ""
 "releases (\":term:`steals <steal>`\") this reference."
 msgstr ""
 "將字串 *right* 附加到 *p_left* 的結尾。*p_left* 必須指向一個 Unicode 物件的 :"
-"term:`強參照 <strong reference>`；:c:func:`!PyUnicode_Append` 會釋放（「竊"
-"取」）此參照。"
+"term:`強參照 <strong reference>`；:c:func:`!PyUnicode_Append` 會釋放（「:"
+"term:`竊取 <steal>`」）此參照。"
 
 #: ../../c-api/unicode.rst:669
 msgid "On error, set *\\*p_left* to ``NULL`` and set an exception."

library/dialog.po

@@ -420,10 +420,10 @@ msgid ""
 "index of the button the user pressed."
 msgstr ""
 "顯示一個由傳統（非主題化）Tk 元件建立的互動 (modal) 對話框，並等待使用者按下"
-"其中一個按鈕。透過 *cnf* 或關鍵字引數提供的選項包括：*title*（視窗標題）、"
-"*text*（訊息內容）、*bitmap*（圖示，預設為 :data:`DIALOG_ICON`）、*default*"
-"（預設按鈕的索引）和 *strings*（按鈕標籤的序列）。建構完成後，:attr:`!num` 屬"
-"性會保存使用者按下之按鈕的索引。"
+"其中一個按鈕。透過 *cnf* 或關鍵字引數提供的選項包括：*title* （視窗標題）、"
+"*text* （訊息內容）、*bitmap* （圖示，預設為 :data:`DIALOG_ICON`）、"
+"*default* （預設按鈕的索引）和 *strings* （按鈕標籤的序列）。建構完成後，:"
+"attr:`!num` 屬性會保存使用者按下之按鈕的索引。"
 
 #: ../../library/dialog.rst:330
 msgid "Destroy the dialog window."

library/http.cookiejar.po

@@ -463,9 +463,9 @@ msgid ""
 "filename <FileCookieJar.filename>` is ``None``, :exc:`ValueError` is raised."
 msgstr ""
 "*filename* 是用來儲存 cookies 的檔案名稱。如果未指定 *filename*，則會使用 :"
-"attr:`self.filename <FileCookieJar.filename>`（其預設值為傳給建構函式的值，如"
-"果有的話）；如果 :attr:`self.filename <FileCookieJar.filename>` 為 ``None``，"
-"則會引發 :exc:`ValueError`。"
+"attr:`self.filename <FileCookieJar.filename>`\\ （其預設值為傳給建構函式的"
+"值，如果有的話）；如果 :attr:`self.filename <FileCookieJar.filename>` 為 "
+"``None``，則會引發 :exc:`ValueError`。"
 
 #: ../../library/http.cookiejar.rst:277
 msgid ""