[NTG-context] Re: XML processing, unwanted indentation/alignment

[Bruce Horrocks <ntg@scorecrow.com>]

The extra space is because you have a space between {first_name} and {\xmlatt... on line 9 of xml.tex.

> On 15 Feb 2024, at 20:28, Michael Guravage <guravage@literatesolutions.com> wrote:
> 
> Greetings,
> 
> I'm typesetting an address book whose addresses are in XML. A typical entry has this structure:
> 
>   <family surname="">
>     <address street="" housenumber="" postcode="1" city=""  telephone="" />
>     <members>
>       <member first_name="" initials="" maiden_name="" birthday="" email="" mobile="" /> 
>       <member first_name="" initials="" birthday="" email="" mobile="" /> 
>       <member first_name="" initials="" birthday="" />
>     </members>
>   </family>
> 
> initials and birthday are required, first_name can be left blank and email, mobile and maiden_name are optional.
> 
> I've written a macro (name) to compose the name, i.e. initials, first_name (maiden_name), and another macro (nameemaillink) to make the name a link associated with an email address. 
> 
> % Derive an individual's name
> \def\name#1%
>   {\ifxmlattempty{#1}{first_name} {\xmlatt{#1}{initials}} \else {\xmlatt{#1}{initials}, \xmlatt{#1}{first_name}} \fi
%%%% Remove the space after {first_name} here
>    \ifxmlattempty{#1}{maiden_name} {} \else { \tfxx(\xmlatt{#1}{maiden_name})} \fi}
> 
> % Create a mailto:link that associates a individual's name with their email address.
> \def\nameemaillink#1%
>   {\ifxmlattempty{#1}{email} {\name{#1}} \else {\goto{\name{#1}} [url(mailto:\xmlatt{#1}{email})]} \fi}
> 
> I thought I was done when I noticed that a composed name with an empty first name, with or without an email address, is slightly indented. In the mwe Moe and Curly, without first names, are indented; while Shemp and Michael aren't.
> 
> That the undesired indentation/alignment is dependent on the presence of a first name is baffling.  After this long description, if someone would look at the code and tell me where I've gone wrong I would be very grateful. The interesting bits begin on lines 8 and 12 in xml.tex. 

—
Bruce Horrocks
Hampshire, UK

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