Re: [xsl] Grouping by letters but keep symbols together

["Christophe Marchand cmarchand@xxxxxxxxxx" <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx>]

Interesting !

Thanks for information, Eliot.

Christophe

Le 25/01/2019 C  17:03, Eliot Kimber ekimber@xxxxxxxxxxxx a C)critB :
> In addition, the DITA Community i18n project on GitHub (https://github.com/dita-community/org.dita-community.i18n) provides general-purpose Saxon extensions and XSLT 2+ support for locale-aware grouping, sorting, word and line breaking, and text size approximation. (The code was originally developed to do generation of paginated EPUBs in a number of languages, thus the need for locale-aware word and line breaking as well as text size approximation in addition to sorting and grouping.)
>
> While the code was developed for use with DITA docs it's not DITA-specific. The current Java extensions are only bound to Saxon 9.1 because I didn't have client funding to also do the Saxon 9.6+ integration. It shouldn't be that hard but it's not something I've been able to pursue.
>
> This project includes dictionary-based Simplified Chinese features by integrating an open-source Simplified Chinese dictionary.
>
> Cheers,
>
> E.
> --
> Eliot Kimber
> http://contrext.com
>   
>
> o;?On 1/25/19, 9:32 AM, "Eliot Kimber ekimber@xxxxxxxxxxxx" <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> wrote:
>
>      Beyond all these suggestions, I always create functions that return grouping and sort  keys as the logic could be much more sophisticated, especially if you bring in locale-aware processing.
>      
>      Cheers,
>      
>      E.
>      --
>      Eliot Kimber
>      http://contrext.com
>       
>      
>      o;?On 1/25/19, 9:07 AM, "Graydon graydon@xxxxxxxxx" <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> wrote:
>      
>          On Fri, Jan 25, 2019 at 02:44:50PM -0000, Rick Quatro rick@xxxxxxxxxxxxxx scripsit:
>          >    I am creating a glossary and I want to group entries under each letter of
>          >    the alphabet. I am using this and it is working fine:
>          [snip]
>          >    However, I want to group entries that start with a symbol or number all
>          >    together under one group. I am not sure what to use for the group-by
>          >    attribute so that letters are separate from each other and all of the
>          >    non-letter characters are in the same group. Any suggestions would be
>          >    appreciated. Thank you very much.
>          
>          I'd use a Unicode character category match for this:
>          
>          <xsl:for-each-group select="glossentry"
>             group-by="(substring(upper-case(glossterm),1,1)[matches(.,'\p{Lu}')],'NON-LETTER-GROUP')[1]">
>              <topicref navtitle="{current-grouping-key()}" toc="no">
>                  ...
>              </topicref>
>          </xsl:for-each-group>
>          
>          What you put in for "NON-LETTER-GROUP" might depend on where or how
>          you're sorting the glossary entries.
>          
>          -- Graydon