[fs.path.req] Replace "encoded character type" with "character type"

Author: frederick-vs-ja

source/iostreams.tex

@@ -14092,13 +14092,13 @@
   argument \tcode{const Source\&} \tcode{source} shall have an
   effective range \range{source.begin()}{source.end()}.
 \item A type meeting the \oldconcept{InputIterator} requirements that iterates over an NTCTS\@.
-  The value type shall be an encoded character type. A function argument
+  The value type shall be a character type\iref{basic.fundamental}. A function argument
   \tcode{const Source\&} \tcode{source} shall have an effective range
   \range{source}{end} where \tcode{end} is the first
   iterator value with an element value equal to
   \tcode{iterator_traits<Source>::value_type()}.
 \item A character array that after array-to-pointer decay results in a
-  pointer to the start of an NTCTS\@. The value type shall be an encoded character type. A
+  pointer to the start of an NTCTS\@. The value type shall be a character type. A
   function argument \tcode{const Source\&} \tcode{source} shall
   have an effective range \range{source}{end} where
   \tcode{end} is the first iterator value with an element value equal to
@@ -14116,7 +14116,7 @@
 \tcode{basic_string} or \tcode{basic_string_view}, or
 \item
 the \grammarterm{qualified-id} \tcode{iterator_traits<decay_t<Source>>::value_type} is valid and
-denotes a possibly const encoded character type\iref{temp.deduct}.
+denotes a possibly const character type\iref{temp.deduct}.
 \end{itemize}
 
 \pnum