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Commita845788

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doc: Correct jsonpath string literal escapes description
The paragraph describing the JavaScript string literals allowed injsonpath expressions unnecessarily mentions JSON by erroneouslylisting \v as allowed by JSON and mentioning the \xNN and \u{N...}backslash escapes as deviations from JSON when in fact both areaccepted by ECMAScript/JavaScript. Fix this by only referring toJavaScript.Author: Erik Wienhold <ewie@ewie.name>Discussion:https://www.postgresql.org/message-id/flat/1EB17DF9-2636-484B-9DD0-3CAB19C4F5C4@justatheory.com
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‎doc/src/sgml/json.sgml‎

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@@ -686,21 +686,20 @@ SELECT jdoc->'guid', jdoc->'name' FROM api WHERE jdoc @@ '$.tags[*] == "qui"';
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In particular, the way to write a double quote within an embedded string
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literal is <literal>\"</literal>, and to write a backslash itself, you
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must write <literal>\\</literal>. Other special backslash sequences
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include those recognized inJSON strings:
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include those recognized inJavaScript strings:
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<literal>\b</literal>,
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<literal>\f</literal>,
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<literal>\n</literal>,
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<literal>\r</literal>,
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<literal>\t</literal>,
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<literal>\v</literal>
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for various ASCII control characters, and
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<literal>\u<replaceable>NNNN</replaceable></literal> for a Unicode
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character identified by its 4-hex-digit code point. The backslash
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syntax also includes two cases not allowed by JSON:
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for various ASCII control characters,
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<literal>\x<replaceable>NN</replaceable></literal> for a character code
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written with only two hex digits, and
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<literal>\u{<replaceable>N...</replaceable>}</literal> for a character
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code written with 1 to 6 hex digits.
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written with only two hex digits,
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<literal>\u<replaceable>NNNN</replaceable></literal> for a Unicode
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character identified by its 4-hex-digit code point, and
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<literal>\u{<replaceable>N...</replaceable>}</literal> for a Unicode
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character code point written with 1 to 6 hex digits.
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</para>
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<para>

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