Improvements for tex

vim/ftplugin/tex.vim

@@ -23,3 +23,5 @@ set spell spelllang=de
 
 " set textwidth for automatic line wrap
 set tw=80
+" Mappings
+nmap <localleader>d :VimtexDocPackage<cr> " Open Package Doc

vim/neosnippets/tex.snip

@@ -23,3 +23,35 @@ options     head
     \begin{satz}
         ${0}
     \end{satz}
+
+snippet     e
+options     head
+    \emph{${1}}${2}
+
+snippet     b
+options     head
+    \textbf{${1}}${2}
+
+snippet     proof
+abbr        proof
+options     head
+    \begin{proof}
+        ${0}
+    \end{proof}
+
+snippet     subsection
+abbr        ss
+alias       ss
+options     head
+    \subsection{${1}}${2}
+
+snippet     subsubsection
+abbr        sss
+alias       sss
+options     head
+    \subsubsection{${1}}${2}
+
+snippet     sum
+abbr        sum
+options     head
+    \sum_{${0}}^{${1}}${2}