Travis fix

Lineare_Algebra.org

@@ -819,7 +819,7 @@ Eine Matrix $A$ hat Zeilenstufenform, wenn folgendes gilt:
 
 #+ATTR_LATEX: :options [] \label{} \
 #+begin_exa 
-#+attr_latex: :mode math :environment pmatrix
+#+attr_latex: :mode math :environment ppnmatrix
 | 0 | $a_{12}$ | $a_{13}$ |
 | 0 |        0 | $a_{23}$ |
 | 0 |        0 | 0        |

travis.yml

@@ -8,27 +8,21 @@ cache:
 # a looooong time
 matrix:
   fast_finish: true
-  allow_failures:
-    - env: EMACS_VERSION=snapshot
+
 env:
-  - EMACS_VERSION=24.3
-  - EMACS_VERSION=24.5
-  - EMACS_VERSION=25.1
-  - EMACS_VERSION=25.2
   - EMACS_VERSION=snapshot
 before_install:
+  - sudo apt-get -qq update && sudo apt-get install -y --no-install-recommends texlive-fonts-recommended texlive-latex-extra texlive-fonts-extra dvipng texlive-latex-recommended
   # Configure $PATH: Executables are installed to $HOME/bin
   - export PATH="$HOME/bin:$PATH"
   # Download the makefile to emacs-travis.mk
   - wget 'https://raw.githubusercontent.com/flycheck/emacs-travis/master/emacs-travis.mk'
   # Install Emacs (according to $EMACS_VERSION) and Cask
   - make -f emacs-travis.mk install_emacs
-  - make -f emacs-travis.mk install_cask
   # Install Texinfo, if you need to build info manuals for your project
   - make -f emacs-travis.mk install_texinfo
-install:
-  # Install your dependencies
   - cask install
+
 script:
   # Run your tests
   - sh ./build.sh