[doc] Fix erroneous backslashes in signatures and names (GH-23658)
The issue being resolved is shown in the 3.10 docs (if you select docs for older versions you won't see a visual glitch).
The newer sphinx version that produces the 3.10 docs doesn't treat the backslash to escape things in some situations it previously did.
diff --git a/Doc/library/difflib.rst b/Doc/library/difflib.rst
index aa08988..a5ee0fb 100644
--- a/Doc/library/difflib.rst
+++ b/Doc/library/difflib.rst
@@ -149,7 +149,7 @@
contains a good example of its use.
-.. function:: context_diff(a, b, fromfile='', tofile='', fromfiledate='', tofiledate='', n=3, lineterm='\\n')
+.. function:: context_diff(a, b, fromfile='', tofile='', fromfiledate='', tofiledate='', n=3, lineterm='\n')
Compare *a* and *b* (lists of strings); return a delta (a :term:`generator`
generating the delta lines) in context diff format.
@@ -279,7 +279,7 @@
emu
-.. function:: unified_diff(a, b, fromfile='', tofile='', fromfiledate='', tofiledate='', n=3, lineterm='\\n')
+.. function:: unified_diff(a, b, fromfile='', tofile='', fromfiledate='', tofiledate='', n=3, lineterm='\n')
Compare *a* and *b* (lists of strings); return a delta (a :term:`generator`
generating the delta lines) in unified diff format.
@@ -321,7 +321,7 @@
See :ref:`difflib-interface` for a more detailed example.
-.. function:: diff_bytes(dfunc, a, b, fromfile=b'', tofile=b'', fromfiledate=b'', tofiledate=b'', n=3, lineterm=b'\\n')
+.. function:: diff_bytes(dfunc, a, b, fromfile=b'', tofile=b'', fromfiledate=b'', tofiledate=b'', n=3, lineterm=b'\n')
Compare *a* and *b* (lists of bytes objects) using *dfunc*; yield a
sequence of delta lines (also bytes) in the format returned by *dfunc*.