From 4c978c5e818cdf6473d81c5062f6bc2fa6889327 Mon Sep 17 00:00:00 2001
From: Oliver Kopp <kopp.dev@gmail.com>
Date: Fri, 13 Apr 2018 08:46:19 +0200
Subject: [PATCH] Add support for a4paper class option at LNCS

---
 CHANGELOG.md                                  |  1 +
 authorarchive.sty                             |  9 +++++++--
 .../brucker-authorarchive-2016-llncs-a4.tex   | 20 +++++++++++++++++++
 3 files changed, 28 insertions(+), 2 deletions(-)
 create mode 100644 examples/brucker-authorarchive-2016-llncs-a4.tex

diff --git a/CHANGELOG.md b/CHANGELOG.md
index b191d4d..74fdc4d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ### Added
 - The links to the embedded files (references) are typeset at the bottom of the paper.
+- Support for `a4paper` for LNCS papers.
 
 ### Changed
 - Updated LNCS output to the requirements of [Springer's Consent to Publish v3](http://resource-cms.springer.com/springer-cms/rest/v1/content/731196/data/v3).
diff --git a/authorarchive.sty b/authorarchive.sty
index 230d8b1..0489329 100644
--- a/authorarchive.sty
+++ b/authorarchive.sty
@@ -137,9 +137,14 @@
 %%%% LNCS
 \ifAA@LNCS%
   \setkeys{AA}{publisher=Springer-Verlag}
-  \renewcommand{\authorat}[1]{\put(\LenToUnit{\AA@x},23){#1}}
   \renewcommand{\authorcrfont}{\scriptsize}
-  \pdfpagesattr{/CropBox [92 65 523 731]}% LNCS page: 152x235 mm
+  \@ifclasswith{llncs}{a4paper}{%
+    \pdfpagesattr{/CropBox [92 114 523 780]}%
+    \renewcommand{\authorat}[1]{\put(\LenToUnit{\AA@x},40){#1}}%
+  }{%
+    \pdfpagesattr{/CropBox [92 65 523 731]}% LNCS page: 152x235 mm
+    \renewcommand{\authorat}[1]{\put(\LenToUnit{\AA@x},23){#1}}
+  }
   \setlength{\AA@width}{\textwidth}
   \setcounter{tocdepth}{2}
 \fi
diff --git a/examples/brucker-authorarchive-2016-llncs-a4.tex b/examples/brucker-authorarchive-2016-llncs-a4.tex
new file mode 100644
index 0000000..bdffbef
--- /dev/null
+++ b/examples/brucker-authorarchive-2016-llncs-a4.tex
@@ -0,0 +1,20 @@
+\documentclass[final, runningheads, USenglish, a4paper, pdftex]{llncs}
+\usepackage[T1]{fontenc}
+\usepackage[LNCS,
+   key=brucker-authorarchive-2016,
+   year=2016,
+   publication={Anonymous et al.\ (eds). Proceedings of the International
+       Conference on LaTeX-Hacks, LNCS~42. Some Publisher, 2016},
+   startpage={42},
+   doi={00/00_00},
+   doiText={0/00\_00},
+   nocopyright
+ ]{../authorarchive}
+
+\usepackage{lipsum}
+
+\title{A Simple Example of the \texttt{authorarchive} Package for \LaTeX}
+\author{\protect\href{http://www.brucker.ch/}{Achim D. Brucker}}
+\institute{Some Departement, Somewhere}
+
+\input{input/body}