• Rob Shearman's avatar
    wpp: Fix expansion of macro bodies following the parsing of a numerical digit. · 3fecf9dd
    Rob Shearman authored
    The current regular expression causes all letters and spaces (among
    other characters) following the appearance of a digit to be classed as
    a literal, including C identifiers which may need to be expanded.
    
    The expression was intended to catch the remaining characters that
    were not covered by the first two rules ([^a-zA-Z0-9'"#/\\\n]+ and
    {cident}), but the [^'"#/\\\n] expression caught {cident} as well.
    While one solution would have been just to catch the expression that
    match [a-zA-Z0-9]* that don't match {cident}, i.e. [0-9][a-zA-Z0-9]*,
    in the interests of avoiding unnecessary multiple LITERALs being
    generated and then combined during parsing the expression also
    includes the first expression, making it
    [0-9][a-zA-Z0-9]*[^a-zA-Z0-9'"#/\\\n]*.
    3fecf9dd
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