From 2767dd2c0694ae58da3b852f56424dd41fc3f7a3 Mon Sep 17 00:00:00 2001
From: shhyou <shu-hung.you@eecs.northwestern.edu>
Date: Fri, 18 Sep 2020 20:03:53 -0500
Subject: [PATCH] Block scribble from changing fonts to ptm in LNCS

---
 scribble-lib/scribble/lncs/lang.rkt      |  3 ++-
 scribble-lib/scribble/lncs/lncs-load.tex | 14 ++++++++++++++
 2 files changed, 16 insertions(+), 1 deletion(-)
 create mode 100644 scribble-lib/scribble/lncs/lncs-load.tex

diff --git a/scribble-lib/scribble/lncs/lang.rkt b/scribble-lib/scribble/lncs/lang.rkt
index 59c98b2b..0026e8d9 100644
--- a/scribble-lib/scribble/lncs/lang.rkt
+++ b/scribble-lib/scribble/lncs/lang.rkt
@@ -50,7 +50,8 @@
                                                     unicode-encoding-packages))
                 (scribble-file "lncs/style.tex")
                 (list cls-file)
-                #f))
+                #f
+                #:replacements (hash "scribble-load-replace.tex" (scribble-file "lncs/lncs-load.tex"))))
 
 (define lncs-extras
   (let ([abs (lambda (s)
diff --git a/scribble-lib/scribble/lncs/lncs-load.tex b/scribble-lib/scribble/lncs/lncs-load.tex
new file mode 100644
index 00000000..0c767d0b
--- /dev/null
+++ b/scribble-lib/scribble/lncs/lncs-load.tex
@@ -0,0 +1,14 @@
+% Scribble should not change the default font from CMR
+% to ptm for LNCS. See Guidelines for Authors of Papers
+% to be Published in Springer Computer Science Proceedings,
+% section 2.3, Fonts.
+%
+% IMPORTANT: the default package newtxmath *still*
+% changes the math font. If you want to disable it,
+% uncomment the next line
+% \renewcommand\packageTxfonts\relax
+% However, scribble would still generate LaTeX commands
+% that depend on newtxmath upon rendering symbols
+% \multimap, \multimapinv, \invamp and \square in
+% scribble-lib/scribble/latex-render.rkt.
+\renewcommand\renewrmdefault\relax