l3backend (2jul22)

git-svn-id: svn://tug.org/texlive/trunk@63794 c570f23f-e606-0410-a88d-b1316a301751

17 files changed, 51 insertions, 35 deletions

diff --git a/Master/texmf-dist/doc/latex/l3backend/CHANGELOG.md b/Master/texmf-dist/doc/latex/l3backend/CHANGELOG.md
index 48187b02ea5..22b29d28e11 100644
--- a/Master/texmf-dist/doc/latex/l3backend/CHANGELOG.md
+++ b/Master/texmf-dist/doc/latex/l3backend/CHANGELOG.md
@@ -6,6 +6,13 @@ this project uses date-based 'snapshot' version identifiers.
 
 ## [Unreleased]
 
+## [2022-07-01]
+
+#### Fixed
+- Do not include PDF file to count pages on pdfTeX
+- Opacity creation with `dvipdfmx`/XeTeX  (issue [\#1106](https://github.com/latex3/latex3/issues/1106))
+- Reset opacity when no stack is available at the backend (issue [\#1107](https://github.com/latex3/latex3/issues/1107))
+
 ## [2022-04-20]
 
 ### Changed
@@ -19,7 +26,7 @@ this project uses date-based 'snapshot' version identifiers.
 - Support for SVG graphic inclusion by `dvisvgm`
 
 ### Fixed
-- `\color_ensure_current:` backend with DVI-based routes (issue \#1085)
+- `\color_ensure_current:` backend with DVI-based routes (issue [\#1085](https://github.com/latex3/latex3/issues/1085))
 
 ## [2022-04-10]
 
@@ -68,7 +75,7 @@ this project uses date-based 'snapshot' version identifiers.
 ## [2021-07-12]
 
 ### Fixed
-- GoTo link formation for Distiller-based workflows (issue #957)
+- GoTo link formation for Distiller-based workflows (issue [\#957](https://github.com/latex3/latex3/issues/957))
 - Support transparency with Distiller
 
 ## [2021-05-07]
@@ -178,8 +185,8 @@ this project uses date-based 'snapshot' version identifiers.
 ## [2020-06-03]
 
 ### Fixed
-- Unneeded `[nobreak]` in `dvips` driver (issue #709)
-- `\__pdf_backend_object_write_fstream:nn` with `dvips` backend (issue #710)
+- Unneeded `[nobreak]` in `dvips` driver (issue [\#709](https://github.com/latex3/latex3/issues/709))
+- `\__pdf_backend_object_write_fstream:nn` with `dvips` backend (issue [\#710](https://github.com/latex3/latex3/issues/710))
 - Array writing in `dvips` mode
 
 ## [2020-05-05]
@@ -245,7 +252,8 @@ this project uses date-based 'snapshot' version identifiers.
 - Include `l3backend` in file names
 - Moved backend code to internal for each 'parent' module
 
-[Unreleased]: https://github.com/latex3/latex3/compare/2022-04-20...HEAD
+[Unreleased]: https://github.com/latex3/latex3/compare/2022-07-01...HEAD
+[2022-07-01]: https://github.com/latex3/latex3/compare/2022-04-20...2022-07-01
 [2022-04-20]: https://github.com/latex3/latex3/compare/2022-04-14...2022-04-20
 [2022-04-14]: https://github.com/latex3/latex3/compare/2022-04-10...2022-04-14
 [2022-04-10]: https://github.com/latex3/latex3/compare/2022-02-07...2022-04-10
diff --git a/Master/texmf-dist/doc/latex/l3backend/README.md b/Master/texmf-dist/doc/latex/l3backend/README.md
index 20ec9a84fe1..83d907f5a0e 100644
--- a/Master/texmf-dist/doc/latex/l3backend/README.md
+++ b/Master/texmf-dist/doc/latex/l3backend/README.md
@@ -1,7 +1,7 @@
 LaTeX3 Backend Drivers
 ======================
 
-Release 2022-04-20
+Release 2022-07-01
 
 This package forms parts of `expl3`, and contains the code used to interface
 with backends (drivers) across the `expl3` codebase. The functions here are
diff --git a/Master/texmf-dist/doc/latex/l3backend/l3backend-code.pdf b/Master/texmf-dist/doc/latex/l3backend/l3backend-code.pdf
index 3d69a13b8e9..1bd1fbaba05 100644
--- a/Master/texmf-dist/doc/latex/l3backend/l3backend-code.pdf
+++ b/Master/texmf-dist/doc/latex/l3backend/l3backend-code.pdf
diff --git a/Master/texmf-dist/source/latex/l3backend/l3backend-basics.dtx b/Master/texmf-dist/source/latex/l3backend/l3backend-basics.dtx
index 1eb47c105e2..8945ed6f470 100644
--- a/Master/texmf-dist/source/latex/l3backend/l3backend-basics.dtx
+++ b/Master/texmf-dist/source/latex/l3backend/l3backend-basics.dtx
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-04-20}
+% \date{Released 2022-07-01}
 %
 % \maketitle
 %
@@ -70,27 +70,27 @@
 %    \begin{macrocode}
 \ProvidesExplFile
 %<*dvipdfmx>
-  {l3backend-dvipdfmx.def}{2022-04-20}{}
+  {l3backend-dvipdfmx.def}{2022-07-01}{}
   {L3 backend support: dvipdfmx}
 %</dvipdfmx>
 %<*dvips>
-  {l3backend-dvips.def}{2022-04-20}{}
+  {l3backend-dvips.def}{2022-07-01}{}
   {L3 backend support: dvips}
 %</dvips>
 %<*dvisvgm>
-  {l3backend-dvisvgm.def}{2022-04-20}{}
+  {l3backend-dvisvgm.def}{2022-07-01}{}
   {L3 backend support: dvisvgm}
 %</dvisvgm>
 %<*luatex>
-  {l3backend-luatex.def}{2022-04-20}{}
+  {l3backend-luatex.def}{2022-07-01}{}
   {L3 backend support: PDF output (LuaTeX)}
 %</luatex>
 %<*pdftex>
-  {l3backend-pdftex.def}{2022-04-20}{}
+  {l3backend-pdftex.def}{2022-07-01}{}
   {L3 backend support: PDF output (pdfTeX)}
 %</pdftex>
 %<*xetex>
-  {l3backend-xetex.def}{2022-04-20}{}
+  {l3backend-xetex.def}{2022-07-01}{}
   {L3 backend support: XeTeX}
 %</xetex>
 %    \end{macrocode}
diff --git a/Master/texmf-dist/source/latex/l3backend/l3backend-box.dtx b/Master/texmf-dist/source/latex/l3backend/l3backend-box.dtx
index 872e2dadcb3..844b23d67ce 100644
--- a/Master/texmf-dist/source/latex/l3backend/l3backend-box.dtx
+++ b/Master/texmf-dist/source/latex/l3backend/l3backend-box.dtx
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-04-20}
+% \date{Released 2022-07-01}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3backend/l3backend-color.dtx b/Master/texmf-dist/source/latex/l3backend/l3backend-color.dtx
index 6f766bc88a1..666075840a5 100644
--- a/Master/texmf-dist/source/latex/l3backend/l3backend-color.dtx
+++ b/Master/texmf-dist/source/latex/l3backend/l3backend-color.dtx
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-04-20}
+% \date{Released 2022-07-01}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3backend/l3backend-draw.dtx b/Master/texmf-dist/source/latex/l3backend/l3backend-draw.dtx
index c8029dfca5d..d2174dc7a33 100644
--- a/Master/texmf-dist/source/latex/l3backend/l3backend-draw.dtx
+++ b/Master/texmf-dist/source/latex/l3backend/l3backend-draw.dtx
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-04-20}
+% \date{Released 2022-07-01}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3backend/l3backend-graphics.dtx b/Master/texmf-dist/source/latex/l3backend/l3backend-graphics.dtx
index 9d5b31faa98..8691349cf55 100644
--- a/Master/texmf-dist/source/latex/l3backend/l3backend-graphics.dtx
+++ b/Master/texmf-dist/source/latex/l3backend/l3backend-graphics.dtx
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-04-20}
+% \date{Released 2022-07-01}
 %
 % \maketitle
 %
@@ -352,7 +352,7 @@
 %    \begin{macrocode}
 \cs_new_protected:Npn \@@_backend_get_pagecount:n #1
   {
-    \tex_immediate:D \tex_pdfximage:D {#1}
+    \tex_pdfximage:D {#1}
     \int_const:cn { c_@@_ #1 _pages_int }
       { \int_use:N \tex_pdflastximagepages:D }
   }
diff --git a/Master/texmf-dist/source/latex/l3backend/l3backend-header.dtx b/Master/texmf-dist/source/latex/l3backend/l3backend-header.dtx
index cad715a2004..401f4287afc 100644
--- a/Master/texmf-dist/source/latex/l3backend/l3backend-header.dtx
+++ b/Master/texmf-dist/source/latex/l3backend/l3backend-header.dtx
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-04-20}
+% \date{Released 2022-07-01}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3backend/l3backend-opacity.dtx b/Master/texmf-dist/source/latex/l3backend/l3backend-opacity.dtx
index 4c5de69fb4a..ae4e93ea3c2 100644
--- a/Master/texmf-dist/source/latex/l3backend/l3backend-opacity.dtx
+++ b/Master/texmf-dist/source/latex/l3backend/l3backend-opacity.dtx
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-04-20}
+% \date{Released 2022-07-01}
 %
 % \maketitle
 %
@@ -181,7 +181,7 @@
       { opacity #1 }
       { << /ca ~ #1 /CA ~ #1 >> }
 %<*dvipdfmx|xetex>
-    \__kernel_backend_literal:n
+    \__kernel_backend_literal_pdf:n
 %</dvipdfmx|xetex>
 %<*luatex|pdftex>
     \__kernel_color_backend_stack_push:nn \c_@@_backend_stack_int
@@ -197,6 +197,10 @@
   }
 \cs_new_protected:Npn \@@_backend_reset:
  {
+%<*dvipdfmx|xetex>
+   \__kernel_backend_literal_pdf:n
+      { /opacity1 ~ gs }
+%</dvipdfmx|xetex>
 %<*luatex|pdftex>
     \__kernel_color_backend_stack_pop:n \c_@@_backend_stack_int
 %</luatex|pdftex>
@@ -236,7 +240,7 @@
           { opacity.stroke #1 }
           { << /CA ~ #2 >> }
 %<*dvipdfmx|xetex>
-    \__kernel_backend_literal:n
+    \__kernel_backend_literal_pdf:n
 %</dvipdfmx|xetex>
 %<*luatex|pdftex>
     \__kernel_color_backend_stack_push:nn \c_@@_backend_stack_int
diff --git a/Master/texmf-dist/source/latex/l3backend/l3backend-pdf.dtx b/Master/texmf-dist/source/latex/l3backend/l3backend-pdf.dtx
index f8cf0111602..df145f37819 100644
--- a/Master/texmf-dist/source/latex/l3backend/l3backend-pdf.dtx
+++ b/Master/texmf-dist/source/latex/l3backend/l3backend-pdf.dtx
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-04-20}
+% \date{Released 2022-07-01}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/tex/latex/l3backend/l3backend-dvipdfmx.def b/Master/texmf-dist/tex/latex/l3backend/l3backend-dvipdfmx.def
index fdf2baaab68..f9e2421b386 100644
--- a/Master/texmf-dist/tex/latex/l3backend/l3backend-dvipdfmx.def
+++ b/Master/texmf-dist/tex/latex/l3backend/l3backend-dvipdfmx.def
@@ -26,7 +26,7 @@
 %% 
 %% File: l3backend-basics.dtx
 \ProvidesExplFile
-  {l3backend-dvipdfmx.def}{2022-04-20}{}
+  {l3backend-dvipdfmx.def}{2022-07-01}{}
   {L3 backend support: dvipdfmx}
 \cs_if_exist:NTF \__kernel_dependency_version_check:nn
   {
@@ -833,7 +833,7 @@
     \pdfmanagement_add:nnn { Page / Resources / ExtGState }
       { opacity #1 }
       { << /ca ~ #1 /CA ~ #1 >> }
-    \__kernel_backend_literal:n
+    \__kernel_backend_literal_pdf:n
       { /opacity #1 ~ gs }
     \group_insert_after:N \__opacity_backend_reset:
   }
@@ -845,6 +845,8 @@
   }
 \cs_new_protected:Npn \__opacity_backend_reset:
  {
+   \__kernel_backend_literal_pdf:n
+      { /opacity1 ~ gs }
  }
 \cs_new_protected:Npn \__opacity_backend_fill:n #1
   {
@@ -871,7 +873,7 @@
         \pdfmanagement_add:nnn { Page / Resources / ExtGState }
           { opacity.stroke #1 }
           { << /CA ~ #2 >> }
-    \__kernel_backend_literal:n
+    \__kernel_backend_literal_pdf:n
          { /opacity.fill #1 ~ gs /opacity.stroke #2 ~ gs }
         \group_insert_after:N \__opacity_backend_reset:
       }
diff --git a/Master/texmf-dist/tex/latex/l3backend/l3backend-dvips.def b/Master/texmf-dist/tex/latex/l3backend/l3backend-dvips.def
index 382f862f97d..0e1c5358c99 100644
--- a/Master/texmf-dist/tex/latex/l3backend/l3backend-dvips.def
+++ b/Master/texmf-dist/tex/latex/l3backend/l3backend-dvips.def
@@ -26,7 +26,7 @@
 %% 
 %% File: l3backend-basics.dtx
 \ProvidesExplFile
-  {l3backend-dvips.def}{2022-04-20}{}
+  {l3backend-dvips.def}{2022-07-01}{}
   {L3 backend support: dvips}
 \cs_if_exist:NTF \__kernel_dependency_version_check:nn
   {
diff --git a/Master/texmf-dist/tex/latex/l3backend/l3backend-dvisvgm.def b/Master/texmf-dist/tex/latex/l3backend/l3backend-dvisvgm.def
index 9aec9f6c630..12c8c2e3683 100644
--- a/Master/texmf-dist/tex/latex/l3backend/l3backend-dvisvgm.def
+++ b/Master/texmf-dist/tex/latex/l3backend/l3backend-dvisvgm.def
@@ -26,7 +26,7 @@
 %% 
 %% File: l3backend-basics.dtx
 \ProvidesExplFile
-  {l3backend-dvisvgm.def}{2022-04-20}{}
+  {l3backend-dvisvgm.def}{2022-07-01}{}
   {L3 backend support: dvisvgm}
 \cs_if_exist:NTF \__kernel_dependency_version_check:nn
   {
diff --git a/Master/texmf-dist/tex/latex/l3backend/l3backend-luatex.def b/Master/texmf-dist/tex/latex/l3backend/l3backend-luatex.def
index deb03202f5a..1b0525eefc5 100644
--- a/Master/texmf-dist/tex/latex/l3backend/l3backend-luatex.def
+++ b/Master/texmf-dist/tex/latex/l3backend/l3backend-luatex.def
@@ -26,7 +26,7 @@
 %% 
 %% File: l3backend-basics.dtx
 \ProvidesExplFile
-  {l3backend-luatex.def}{2022-04-20}{}
+  {l3backend-luatex.def}{2022-07-01}{}
   {L3 backend support: PDF output (LuaTeX)}
 \cs_if_exist:NTF \__kernel_dependency_version_check:nn
   {
@@ -661,7 +661,7 @@
   }
 \cs_new_protected:Npn \__graphics_backend_get_pagecount:n #1
   {
-    \tex_immediate:D \tex_pdfximage:D {#1}
+    \tex_pdfximage:D {#1}
     \int_const:cn { c__graphics_ #1 _pages_int }
       { \int_use:N \tex_pdflastximagepages:D }
   }
diff --git a/Master/texmf-dist/tex/latex/l3backend/l3backend-pdftex.def b/Master/texmf-dist/tex/latex/l3backend/l3backend-pdftex.def
index 32cec72b2e3..49fff4e72ea 100644
--- a/Master/texmf-dist/tex/latex/l3backend/l3backend-pdftex.def
+++ b/Master/texmf-dist/tex/latex/l3backend/l3backend-pdftex.def
@@ -26,7 +26,7 @@
 %% 
 %% File: l3backend-basics.dtx
 \ProvidesExplFile
-  {l3backend-pdftex.def}{2022-04-20}{}
+  {l3backend-pdftex.def}{2022-07-01}{}
   {L3 backend support: PDF output (pdfTeX)}
 \cs_if_exist:NTF \__kernel_dependency_version_check:nn
   {
@@ -661,7 +661,7 @@
   }
 \cs_new_protected:Npn \__graphics_backend_get_pagecount:n #1
   {
-    \tex_immediate:D \tex_pdfximage:D {#1}
+    \tex_pdfximage:D {#1}
     \int_const:cn { c__graphics_ #1 _pages_int }
       { \int_use:N \tex_pdflastximagepages:D }
   }
diff --git a/Master/texmf-dist/tex/latex/l3backend/l3backend-xetex.def b/Master/texmf-dist/tex/latex/l3backend/l3backend-xetex.def
index 1e070ebdc30..dfa1bf0605f 100644
--- a/Master/texmf-dist/tex/latex/l3backend/l3backend-xetex.def
+++ b/Master/texmf-dist/tex/latex/l3backend/l3backend-xetex.def
@@ -26,7 +26,7 @@
 %% 
 %% File: l3backend-basics.dtx
 \ProvidesExplFile
-  {l3backend-xetex.def}{2022-04-20}{}
+  {l3backend-xetex.def}{2022-07-01}{}
   {L3 backend support: XeTeX}
 \cs_if_exist:NTF \__kernel_dependency_version_check:nn
   {
@@ -887,7 +887,7 @@
     \pdfmanagement_add:nnn { Page / Resources / ExtGState }
       { opacity #1 }
       { << /ca ~ #1 /CA ~ #1 >> }
-    \__kernel_backend_literal:n
+    \__kernel_backend_literal_pdf:n
       { /opacity #1 ~ gs }
     \group_insert_after:N \__opacity_backend_reset:
   }
@@ -899,6 +899,8 @@
   }
 \cs_new_protected:Npn \__opacity_backend_reset:
  {
+   \__kernel_backend_literal_pdf:n
+      { /opacity1 ~ gs }
  }
 \cs_new_protected:Npn \__opacity_backend_fill:n #1
   {
@@ -925,7 +927,7 @@
         \pdfmanagement_add:nnn { Page / Resources / ExtGState }
           { opacity.stroke #1 }
           { << /CA ~ #2 >> }
-    \__kernel_backend_literal:n
+    \__kernel_backend_literal_pdf:n
          { /opacity.fill #1 ~ gs /opacity.stroke #2 ~ gs }
         \group_insert_after:N \__opacity_backend_reset:
       }