%% $Id: ams-standard.bbx 1242 2026-04-23 14:02:49Z herbert $
%%
%% This is file `ams-standard.bbx', which is based on 
%% \url{https://github.com/konn/biblatex-math}
%%
%% Herbert Voss <hvoss@tug.org>
%%
%% This program can be redistributed and/or modified under the terms
%% of the LaTeX Project Public License Distributed from CTAN archives
%% in directory macros/latex/base/lppl.txt.
%%
%% version 0.01 for Biber/BibLaTeX versions 2.21/3.21
%% Copyright (C) 2026 all rights reserved.

\ProvidesFile{ams-standard.bbx}[2026/04/22 biblatex bibliography 
		style for mathematicians]

%\newtoggle{bbx:sentencetitle}
\newbibmacro*{bbx:savehash}{}%   predefined, will be changed later

\RequireBibliographyStyle{standard}

\DeclareBibliographyOption[boolean]{dashed}[true]{%
  \ifstrequal{#1}{true}
    {\ExecuteBibliographyOptions{pagetracker}%
     \renewbibmacro*{bbx:savehash}{\savefield{fullhash}{\bbx@lasthash}}}
    {}}

%\DeclareBibliographyOption[boolean]{sentencetitle}[true]{%
%  \settoggle{bbx:sentencetitle}{#1}}

%\ExecuteBibliographyOptions{sentencetitle,dashed}
\ExecuteBibliographyOptions{dashed}

%\iftoggle{bbx:sentencetitle}
%  {\DeclareFieldFormat{titlecase}{\MakeSentenceCase*{#1}}}
%  {}

\renewbibmacro*{bbx:savehash}{%
  \savefield{fullhash}{\bbx@lasthash}}

\renewcommand*{\bibfont}{\footnotesize}
\renewcommand*{\subtitlepunct}{\textup{\addcolon}\space}
\renewcommand*{\newunitpunct}{\addcomma\space}
\renewcommand*{\mkbibquote}[1]{\mkbibemph{#1}}
\renewcommand*{\labelnamepunct}{\addcomma\space}
\renewbibmacro*{in:}{}
\renewbibmacro*{author}{%
  \ifboolexpr{
    test \ifuseauthor
    and
    not test {\ifnameundef{author}}
  }
  {\usebibmacro{bbx:dashcheck}
    {\bibnamedash}
    {\printnames{author}%
      \setunit{\addcomma\space}%
      \usebibmacro{bbx:savehash}}%
    \usebibmacro{authorstrg}}
  {\global\undef\bbx@lasthash}}

\DeclareFieldFormat{journaltitle}{\textup{#1}}
\DeclareFieldFormat{booktitle}{\textup{#1}}
\DeclareFieldFormat[article]{number}{\mkbibbold{#1}}
\DeclareFieldFormat[book]{number}{\mkbibbold{#1}}
\DeclareFieldFormat
  [article,inbook,incollection,inproceedings,patent,thesis,unpublished]
  {title}{\mkbibemph{#1\isdot}}

\newbibmacro*{bbx:dashcheck}[2]{%
  \ifboolexpr{
    test {\iffieldequals{fullhash}{\bbx@lasthash}}
    and
    not test \iffirstonpage
  }
  {#1}
  {#2}}
\renewcommand*{\bibnamedash}{\rule{3em}{0.4pt}\hspace*{.16667em}\addcomma\addspace}

\endinput