The JavaScript exception "Invalid code point" occurs when NaN values, negative Integers (-1), non-Integers (5.4), or values larger than 0x10FFFF (1114111) are used with String.fromCodePoint().

The writing-mode attribute specifies whether the initial inline-progression-direction for a <text> element shall be left-to-right, right-to-left, or top-to-bottom. The writing-mode attribute applies only to <text> elements; the attribute is ignored for <tspan> and <textPath> sub-elements. (Note that the inline-progression-direction can change within a <text> element due to the Unicode bidirectional algorithm and properties direction and unicode-bidi.)

Organize code into modules.

A macro to test at runtime whether a CPU feature is available on x86/x86-64 platforms.

Redundant constants module for the `u32` primitive type.

Composable asynchronous iteration.

The JavaScript exception "missing } after function body" occurs when there is a syntax mistake when creating a function somewhere. Check if any closing curly braces or parenthesis are in the correct order.

The restart attribute specifies whether or not an animation can restart.

Concatenates literals into a static string slice.

A modifier overrides flag settings in a specific part of a regular expression. It can be used to enable or disable flags that change the meanings of certain regex syntax elements. These flags are i, m, and s.