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[lex] Avoid "shall" when not stating a direct requirement #8589

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[lex] Avoid "shall" when not stating a direct requirement #8589

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8 changes: 4 additions & 4 deletions source/lex.tex
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Original file line number Diff line number Diff line change
Expand Up @@ -104,15 +104,15 @@
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 shall be eligible for being part
backslash on any physical source line is eligible for being part
of such a splice.
\begin{note}
Line splicing can form
a \grammarterm{universal-character-name}\iref{lex.charset}.
\end{note}
A source file that is not empty and that (after splicing)
does not end in a new-line character
shall be processed as if an additional new-line character were appended
is processed as if an additional new-line character were appended
to the file.

\item The source file is decomposed into preprocessing
Expand Down Expand Up @@ -415,7 +415,7 @@
No other element of the translation character set
is encoded with a code unit of value \tcode{0}.
The code unit value of each decimal digit character after the digit \tcode{0} (\ucode{0030})
shall be one greater than the value of the previous.
is one greater than the value of the previous.
The ordinary and wide literal encodings are otherwise
\impldef{ordinary and wide literal encodings}.
\indextext{UTF-8}%
Expand Down Expand Up @@ -609,7 +609,7 @@
token shall be a raw string literal. Between the initial and final
double quote characters of the raw string, any transformations performed in phase
2 (line splicing) are reverted; this reversion
shall apply before any \grammarterm{d-char}, \grammarterm{r-char}, or delimiting
is applied before any \grammarterm{d-char}, \grammarterm{r-char}, or delimiting
parenthesis is identified. The raw string literal is defined as the shortest sequence
of characters that matches the raw-string pattern
\begin{ncbnf}
Expand Down