From 5027ee1d8a912c17066264fa6c0621c76b0a376f Mon Sep 17 00:00:00 2001
From: "David A. Hannasch" <David.A.Hannasch@gmail.com>
Date: Tue, 13 Aug 2019 15:03:21 -0600
Subject: [PATCH 1/3] Captures LaTeX build errors; right now, this just prints
 them.

---
 latex/build.py | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/latex/build.py b/latex/build.py
index 9fad818..f1f8db0 100644
--- a/latex/build.py
+++ b/latex/build.py
@@ -103,13 +103,15 @@ def build_pdf(self, source, texinputs=[]):
             newenv['TEXINPUTS'] = os.pathsep.join(texinputs) + os.pathsep
 
             try:
-                subprocess.check_call(args,
-                                      cwd=tmpdir,
-                                      env=newenv,
-                                      stdin=open(os.devnull, 'r'),
-                                      stdout=open(os.devnull, 'w'),
-                                      stderr=open(os.devnull, 'w'), )
+                subprocess.run(args,
+                               cwd=tmpdir,
+                               check=True,
+                               env=newenv,
+                               capture_output=True,
+                              )
             except CalledProcessError as e:
+                assert not e.stdout
+                print(e.stderr)
                 raise_from(LatexBuildError(base_fn + '.log'), e)
 
             return I(open(output_fn, 'rb').read(), encoding=None)

From 5c300fe90cdcc0d5eb87e3f0798defd5271fc39b Mon Sep 17 00:00:00 2001
From: "David A. Hannasch" <David.A.Hannasch@gmail.com>
Date: Tue, 13 Aug 2019 15:45:59 -0600
Subject: [PATCH 2/3] sometimes have stdout

---
 latex/build.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/latex/build.py b/latex/build.py
index f1f8db0..5206d32 100644
--- a/latex/build.py
+++ b/latex/build.py
@@ -110,7 +110,7 @@ def build_pdf(self, source, texinputs=[]):
                                capture_output=True,
                               )
             except CalledProcessError as e:
-                assert not e.stdout
+                print(e.stdout)
                 print(e.stderr)
                 raise_from(LatexBuildError(base_fn + '.log'), e)
 

From 4dd216c5f7b0ab0e585c8e8cfb38ee6e9008aed6 Mon Sep 17 00:00:00 2001
From: "David A. Hannasch" <David.A.Hannasch@gmail.com>
Date: Tue, 13 Aug 2019 15:47:29 -0600
Subject: [PATCH 3/3] Use forward slashes in file paths on Windows.

---
 latex/build.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/latex/build.py b/latex/build.py
index 5206d32..733d3a3 100644
--- a/latex/build.py
+++ b/latex/build.py
@@ -89,7 +89,7 @@ def build_pdf(self, source, texinputs=[]):
                 args = [self.latexmk,
                         '-pdf',
                         '-pdflatex={}'.format(' '.join(latex_cmd)),
-                        tmp.name, ]
+                        tmp.name.replace('\\', '/'), ]
             elif self.variant == 'xelatex':
                 args = [self.latexmk,
                         '-xelatex',