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docs: Improve g_strescape description wording

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Saying that it inserts a backslash before special character is incorrect
for anything but a double quote and backslash itself. Instead, it replaces
the special characters with a C escape sequence.

Let’s fix that and also make it less C focused by using Unicode names
of the characters instead of assuming everyone knows C escape sequences
by heart.
This commit is contained in:
Jan Tojnar 2024-05-18 23:00:21 +02:00
parent 275330009a
commit 4acedc8669
1 changed files with 15 additions and 4 deletions
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19
glib/gstrfuncs.c
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@ -2188,11 +2188,22 @@ out:
* @source: a string to escape
* @exceptions: (nullable): a string of characters not to escape in @source
*
* Escapes the special characters `\b`, `\f`, `\n`, `\r`, `\t`, `\v`, `\`
* and `"` in the string @source by inserting a `\` before
* them. Additionally all characters in the range 0x01-0x1F (everything
* It replaces the following special characters in the string @source
* with their corresponding C escape sequence:
*
* Symbol | Escape
* ---|---
* [U+0008 Backspace](https://en.wikipedia.org/wiki/Backspace) | `\b`
* [U+000C Form Feed](https://en.wikipedia.org/wiki/Form_feed) | `\f`
* [U+000A Line Feed](https://en.wikipedia.org/wiki/Newline) | `\n`
* [U+000D Carriage Return](https://en.wikipedia.org/wiki/Carriage_return) | `\r`
* [U+0009 Horizontal Tabulation](https://en.wikipedia.org/wiki/Tab_character) | `\t`
* [U+000B Vertical Tabulation](https://en.wikipedia.org/wiki/Vertical_Tab) | `\v`
*
* It also inserts a backslash (`\`) before any backslash or a double quote (`"`).
* Additionally all characters in the range 0x01-0x1F (everything
* below SPACE) and in the range 0x7F-0xFF (all non-ASCII chars) are
* replaced with a `\` followed by their octal representation.
* replaced with a backslash followed by their octal representation.
* Characters supplied in @exceptions are not escaped.
*
* [func@GLib.strcompress] does the reverse conversion.