Initializing help system before first use

# realfmt

Description | Default C printing format for real numbers.
Type | String, read/write
Default value | "%.10g"
Notes | 1. The parameter realfmt requires a format of the form %[f][w][.p]c where f (flags) is an optional string of 1 to 3 characters from the list '#0 -+'; w (width) an optional string of 1 to 3 digits (the first one cannot be 0); p (precision) an optional string of 1 to 2 digits and c (conversion specifier) a character from the list 'eEfgGaAjy' (see formattext for further details). 2. The conversion specifiers j and y are Mosel extensions to the C standard that support the optional flags and width (precision is ignored): they produce a reversible textual representation of the real number ( i.e. converting the string back to real restores the exact original value). The format 'j' generates a decimal notation similar to the specification ECMA-262 ( e.g. "123.456") while the format 'y' produces a scientific notation in all cases ( e.g. "1.2345e2").
See also | formattext

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