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[lex] Complete the use of unicode code points #8412

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[lex] Complete the use of unicode code points #8412

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12 changes: 7 additions & 5 deletions source/lex.tex
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Original file line number Diff line number Diff line change
Expand Up @@ -99,12 +99,12 @@
\indextext{line splicing}%
If the first translation character is \unicode{feff}{byte order mark},
it is deleted.
Each sequence comprising a backslash character (\textbackslash)
Each sequence comprising a \unicode{005c}{reverse solidus} character (\textbackslash)
immediately followed by
zero or more whitespace characters other than new-line followed by
a new-line character is deleted, splicing
physical source lines to form \defnx{logical source lines}{source line!logical}. Only the last
backslash on any physical source line is eligible for being part
\unicode{005c}{reverse solidus} on any physical source line is eligible for being part
of such a splice.
\begin{note}
Line splicing can form
Expand Down Expand Up @@ -578,7 +578,8 @@
circumstances during translation phase 4, whitespace (or the absence
thereof) serves as more than preprocessing token separation. Whitespace
can appear within a preprocessing token only as part of a header name or
between the quotation characters in a character literal or
between the \unicode{0027}{apostrophe} characters in a character literal
or between the \unicode{0022}{quotation mark} characters in a
string literal.
\end{note}

Expand Down Expand Up @@ -730,13 +731,14 @@
\end{note}

\pnum
The appearance of either of the characters \tcode{'} or \tcode{\textbackslash} or of
The appearance of either of the characters \unicode{0027}{apostrophe} or
\unicode{005c}{reverse solidus} or of
either of the character sequences \tcode{/*} or \tcode{//} in a
\grammarterm{q-char-sequence} or an \grammarterm{h-char-sequence}
is conditionally-supported with \impldef{meaning of \tcode{'}, \tcode{\textbackslash},
\tcode{/*}, or \tcode{//} in a \grammarterm{q-char-sequence} or an
\grammarterm{h-char-sequence}} semantics, as is the appearance of the character
\tcode{"} in an \grammarterm{h-char-sequence}.
\unicode{0022}{quotation mark} in an \grammarterm{h-char-sequence}.
\begin{note}
Thus, a sequence of characters
that resembles an escape sequence can result in an error, be interpreted as the
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