Re: [Nano-devel] [PATCH] syntax: c: change the highlighting of preprocessor directives

[Liu Hao]

On 2017/12/17 19:32, Benno Schulenberg wrote:
> The "end=" part wants a character that is not a backslash and that is
> not part of what the "start=" matched.  The "start=" and "end=" parts
> cannot overlap each other.  I do not know how to solve this.
> 

Is either
    end="(^|[^\\])$"
or
    end="(\`|[^\\])$"
the solution?

^ should match the beginning of a line, but it works IMO by accident
here since it match the beginning of a search as well. The second one is
a less familiar GNU extension that matches the beginning of a search
regardless of line breaks, exactly what is needed here.

> (There is an additional problem: if you type a space after "#warning",
> the coloring of "blah blah" is dropped.  But if you then remove the
> space again, "blah blah" is not recolored.  Only when typing ^S or ^L
> does the color return.  So a change in the multiline regex matching is
> not always detected.  But that is a different kind of bug.)

I hope you will fix it. :>

> 
> Benno
> 
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-- 
Best regards,
LH_Mouse