ClearSpeak (Auto): some groupings differ only by a pause

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rust

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Start by reading the ClearSpeak Auto and SimpleSpeak rules for roots, absolute values, fractions, and trigonometric functions, then trace how Spanish preferences affect speech output. Compare the examples in the issue with the ONCE book guidance and determine whether the behavior should change for all languages or only Spanish. Done means the grouping is spoken clearly without relying on a pause that listeners may miss.

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描述

In ClearSpeak with the default preferences, these pairs differ only by a short pause, or not at all, while SimpleSpeak marks the end:

input ClearSpeak SimpleSpeak
√(x+1) the square root of x plus 1 the square root of x plus 1, end root
√x + 1 the square root of x; plus 1 the square root of x; plus 1
|x−1| the absolute value of x minus 1 the absolute value of x minus 1 end absolute value
|x| − 1 the absolute value of x; minus 1 the absolute value of x, minus 1
a + b/c + d a plus b over c plus d a plus b over c, plus d
sin a + b sine a plus b sine of a plus b

The a + b/c + d case has no pause at all, so it sounds the same as a + b/(c+d) read quickly. A pause is easy to miss by ear, and most users never change the AbsoluteValue or Roots preferences.

The ONCE book Braille y Matemática (J. E. Fernández del Campo, 2004, table 2-16, "lectura oral") recommends saying the grouping explicitly for these cases ("fin de denominador", "radicando").

Would it make sense for ClearSpeak Auto to say the end ("end root", "end absolute value") when the content is not simple, as SimpleSpeak does, and to add a pause after a simple fraction followed by an operator? If you prefer to keep ClearSpeak as in the spec, I'd like to know whether doing this only in Spanish would be acceptable.

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