Merge pull request #967 from tjgrilley/tex-R-updates

Rules for TeX packages sagetex and sympytex; Rdata

R.gitignore

@@ -3,3 +3,6 @@
 
 # Example code in package build process
 *-Ex.R
+
+# R data files from past sessions
+.Rdata

TeX.gitignore

@@ -72,8 +72,20 @@
 # nomencl
 *.nlo
 
+# sagetex
+*.sagetex.sage
+*.sagetex.py
+*.sagetex.scmd
+
+# sympy
+*.sout
+*.sympy
+sympy-plots-for-*.tex/
+
 # todonotes
 *.tdo
 
 # xindy
 *.xdy
+
+