13 files changed, 26 insertions, 26 deletions
diff --git a/fonts/newpx/tex/ly1zpllf.fd b/fonts/newpx/tex/ly1zpllf.fd
index 015ec40325..b1a7d2be0d 100644
--- a/fonts/newpx/tex/ly1zpllf.fd
+++ b/fonts/newpx/tex/ly1zpllf.fd
@@ -1,6 +1,6 @@
-\ProvidesFile{ly1zpllf.fd}[2015/01/17 v1.0 font definition file for LY1/zpl/lf]
+\ProvidesFile{ly1zpllf.fd}[2021/05/25 v1.0 font definition file for LY1/zpl/lf]
 
-\@ifundefined{ifzpl@sl}{\global\newif\ifzpl@sl\global\zpl@sltrue}{}
+\@ifundefined{ifzpl@sl}{\let\ifzpl@sl\iftrue}{}
 
 \expandafter\ifx\csname zpl@scaled\endcsname\relax
   \global\let\zpl@scaled\@empty%
diff --git a/fonts/newpx/tex/ly1zplosf.fd b/fonts/newpx/tex/ly1zplosf.fd
index fb669ea1b1..00fd3e7e0d 100644
--- a/fonts/newpx/tex/ly1zplosf.fd
+++ b/fonts/newpx/tex/ly1zplosf.fd
@@ -1,6 +1,6 @@
-\ProvidesFile{ly1zplosf.fd}[2015/01/17 v1.0 font definition file for LY1/zpl/osf]
+\ProvidesFile{ly1zplosf.fd}[2021/05/25 v1.0 font definition file for LY1/zpl/osf]
 
-\@ifundefined{ifzpl@sl}{\global\newif\ifzpl@sl\global\zpl@sltrue}{}
+\@ifundefined{ifzpl@sl}{\let\ifzpl@sl\iftrue}{}
 
 \expandafter\ifx\csname zpl@scaled\endcsname\relax
   \global\let\zpl@scaled\@empty%
diff --git a/fonts/newpx/tex/ly1zpltlf.fd b/fonts/newpx/tex/ly1zpltlf.fd
index 041ab7cb16..488689a21e 100644
--- a/fonts/newpx/tex/ly1zpltlf.fd
+++ b/fonts/newpx/tex/ly1zpltlf.fd
@@ -1,6 +1,6 @@
-\ProvidesFile{ly1zpltlf.fd}[2015/01/17 v1.0 font definition file for LY1/zpl/tlf]
+\ProvidesFile{ly1zpltlf.fd}[2021/05/25 v1.0 font definition file for LY1/zpl/tlf]
 
-\@ifundefined{ifzpl@sl}{\global\newif\ifzpl@sl\global\zpl@sltrue}{}
+\@ifundefined{ifzpl@sl}{\let\ifzpl@sl\iftrue}{}
 
 \expandafter\ifx\csname zpl@scaled\endcsname\relax
   \global\let\zpl@scaled\@empty%
diff --git a/fonts/newpx/tex/ly1zpltosf.fd b/fonts/newpx/tex/ly1zpltosf.fd
index 178c165a92..46d87c4ff2 100644
--- a/fonts/newpx/tex/ly1zpltosf.fd
+++ b/fonts/newpx/tex/ly1zpltosf.fd
@@ -1,6 +1,6 @@
-\ProvidesFile{ly1zpltosf.fd}[2015/02/07 v1.0 font definition file for LY1/zpl/tosf]
+\ProvidesFile{ly1zpltosf.fd}[2021/05/25 v1.0 font definition file for LY1/zpl/tosf]
 
-\@ifundefined{ifzpl@sl}{\global\newif\ifzpl@sl\global\zpl@sltrue}{}
+\@ifundefined{ifzpl@sl}{\let\ifzpl@sl\iftrue}{}
 
 \expandafter\ifx\csname zpl@scaled\endcsname\relax
   \global\let\zpl@scaled\@empty%
diff --git a/fonts/newpx/tex/newpxtext.sty b/fonts/newpx/tex/newpxtext.sty
index 9abba0ef57..40bd8c2fbe 100644
--- a/fonts/newpx/tex/newpxtext.sty
+++ b/fonts/newpx/tex/newpxtext.sty
@@ -8,8 +8,8 @@
 % Modified the definition of \k to bypass problem with grouping.
 % Text is now directed to an extension of TeXGyrePagella rather than ppl.
 
-\def\fileversion{1.42}
-\def\filedate{2021/05/20}
+\def\fileversion{1.421}
+\def\filedate{2021/05/25}
 \ProvidesPackage{newpxtext}[\filedate\space v\fileversion]
 
 \message{`newpxtext' v\fileversion, \filedate\space Text macros taking advantage of TeXGyre Pagella and its extensions (msharpe)}
diff --git a/fonts/newpx/tex/ot1zpllf.fd b/fonts/newpx/tex/ot1zpllf.fd
index 704a790a9b..ae9f239ff6 100644
--- a/fonts/newpx/tex/ot1zpllf.fd
+++ b/fonts/newpx/tex/ot1zpllf.fd
@@ -1,6 +1,6 @@
-\ProvidesFile{ot1zpllf.fd}[2015/01/19 v1.0 font definition file for OT1/zpl/lf]
+\ProvidesFile{ot1zpllf.fd}[2021/05/25 v1.0 font definition file for OT1/zpl/lf]
 
-\@ifundefined{ifzpl@sl}{\global\newif\ifzpl@sl\global\zpl@sltrue}{}
+\@ifundefined{ifzpl@sl}{\let\ifzpl@sl\iftrue}{}
 
 \expandafter\ifx\csname zpl@scaled\endcsname\relax
   \global\let\zpl@scaled\@empty%
diff --git a/fonts/newpx/tex/ot1zplosf.fd b/fonts/newpx/tex/ot1zplosf.fd
index 8a4858e69f..f6a41a8b41 100644
--- a/fonts/newpx/tex/ot1zplosf.fd
+++ b/fonts/newpx/tex/ot1zplosf.fd
@@ -1,6 +1,6 @@
-\ProvidesFile{ot1zplosf.fd}[2015/01/17 v1.0 font definition file for OT1/zpl/osf]
+\ProvidesFile{ot1zplosf.fd}[2021/05/25 v1.0 font definition file for OT1/zpl/osf]
 
-\@ifundefined{ifzpl@sl}{\global\newif\ifzpl@sl\global\zpl@sltrue}{}
+\@ifundefined{ifzpl@sl}{\let\ifzpl@sl\iftrue}{}
 
 \expandafter\ifx\csname zpl@scaled\endcsname\relax
   \global\let\zpl@scaled\@empty%
diff --git a/fonts/newpx/tex/ot1zpltlf.fd b/fonts/newpx/tex/ot1zpltlf.fd
index 780efce9ec..c74661aac1 100644
--- a/fonts/newpx/tex/ot1zpltlf.fd
+++ b/fonts/newpx/tex/ot1zpltlf.fd
@@ -1,6 +1,6 @@
-\ProvidesFile{ot1zpltlf.fd}[2015/01/17 v1.0 font definition file for OT1/zpl/tlf]
+\ProvidesFile{ot1zpltlf.fd}[2021/05/25 v1.0 font definition file for OT1/zpl/tlf]
 
-\@ifundefined{ifzpl@sl}{\global\newif\ifzpl@sl\global\zpl@sltrue}{}
+\@ifundefined{ifzpl@sl}{\let\ifzpl@sl\iftrue}{}
 
 \expandafter\ifx\csname zpl@scaled\endcsname\relax
   \global\let\zpl@scaled\@empty%
diff --git a/fonts/newpx/tex/ot1zpltosf.fd b/fonts/newpx/tex/ot1zpltosf.fd
index f1f68107bc..5975693fa7 100644
--- a/fonts/newpx/tex/ot1zpltosf.fd
+++ b/fonts/newpx/tex/ot1zpltosf.fd
@@ -1,6 +1,6 @@
-\ProvidesFile{ot1zpltosf.fd}[2015/02/07 v1.0 font definition file for OT1/zpl/tosf]
+\ProvidesFile{ot1zpltosf.fd}[2021/05/25 v1.0 font definition file for OT1/zpl/tosf]
 
-\@ifundefined{ifzpl@sl}{\global\newif\ifzpl@sl\global\zpl@sltrue}{}
+\@ifundefined{ifzpl@sl}{\let\ifzpl@sl\iftrue}{}
 
 \expandafter\ifx\csname zpl@scaled\endcsname\relax
   \global\let\zpl@scaled\@empty%
diff --git a/fonts/newpx/tex/t1zpllf.fd b/fonts/newpx/tex/t1zpllf.fd
index 5b3b07882f..8ae12ede4b 100644
--- a/fonts/newpx/tex/t1zpllf.fd
+++ b/fonts/newpx/tex/t1zpllf.fd
@@ -1,6 +1,6 @@
-\ProvidesFile{t1zpllf.fd}[2015/01/17 v1.0 font definition file for T1/zpl/lf]
+\ProvidesFile{t1zpllf.fd}[2021/05/25 v1.0 font definition file for T1/zpl/lf]
 
-\@ifundefined{ifzpl@sl}{\global\newif\ifzpl@sl\global\zpl@sltrue}{}
+\@ifundefined{ifzpl@sl}{\let\ifzpl@sl\iftrue}{}
 
 \expandafter\ifx\csname zpl@scaled\endcsname\relax
   \global\let\zpl@scaled\@empty%
diff --git a/fonts/newpx/tex/t1zplosf.fd b/fonts/newpx/tex/t1zplosf.fd
index c0685bab46..b88b84b302 100644
--- a/fonts/newpx/tex/t1zplosf.fd
+++ b/fonts/newpx/tex/t1zplosf.fd
@@ -1,6 +1,6 @@
-\ProvidesFile{t1zplosf.fd}[2015/01/17 v1.0 font definition file for T1/zpl/osf]
+\ProvidesFile{t1zplosf.fd}[2021/05/25 v1.0 font definition file for T1/zpl/osf]
 
-\@ifundefined{ifzpl@sl}{\global\newif\ifzpl@sl\global\zpl@sltrue}{}
+\@ifundefined{ifzpl@sl}{\let\ifzpl@sl\iftrue}{}
 
 \expandafter\ifx\csname zpl@scaled\endcsname\relax
   \global\let\zpl@scaled\@empty%
diff --git a/fonts/newpx/tex/t1zpltlf.fd b/fonts/newpx/tex/t1zpltlf.fd
index 2e00bce605..8f58a11316 100644
--- a/fonts/newpx/tex/t1zpltlf.fd
+++ b/fonts/newpx/tex/t1zpltlf.fd
@@ -1,6 +1,6 @@
-\ProvidesFile{t1zpltlf.fd}[2015/01/17 v1.0 font definition file for T1/zpl/tlf]
+\ProvidesFile{t1zpltlf.fd}[2021/05/25 v1.0 font definition file for T1/zpl/tlf]
 
-\@ifundefined{ifzpl@sl}{\global\newif\ifzpl@sl\global\zpl@sltrue}{}
+\@ifundefined{ifzpl@sl}{\let\ifzpl@sl\iftrue}{}
 
 \expandafter\ifx\csname zpl@scaled\endcsname\relax
   \global\let\zpl@scaled\@empty%
diff --git a/fonts/newpx/tex/t1zpltosf.fd b/fonts/newpx/tex/t1zpltosf.fd
index 85009e16e6..e2e00e1fbd 100644
--- a/fonts/newpx/tex/t1zpltosf.fd
+++ b/fonts/newpx/tex/t1zpltosf.fd
@@ -1,6 +1,6 @@
-\ProvidesFile{t1zpltosf.fd}[2015/01/17 v1.0 font definition file for T1/zpl/tosf]
+\ProvidesFile{t1zpltosf.fd}[2021/05/25 v1.0 font definition file for T1/zpl/tosf]
 
-\@ifundefined{ifzpl@sl}{\global\newif\ifzpl@sl\global\zpl@sltrue}{}
+\@ifundefined{ifzpl@sl}{\let\ifzpl@sl\iftrue}{}
 
 \expandafter\ifx\csname zpl@scaled\endcsname\relax
   \global\let\zpl@scaled\@empty%