diff --git a/make_latex.sh b/make_latex.sh
index 3c5c74f..6281ede 100755
--- a/make_latex.sh
+++ b/make_latex.sh
@@ -18,8 +18,12 @@ echo "Generating modified Markdown file..."
 #prefix every \ with a \
 sed -i -e 's/\\\\ *$/\\\\\\\\/g' "$NEWNAME"
 
-# prefix every _ with an \
-sed -i -e 's/_/\\_/g' "$NEWNAME"
+bat "$NEWNAME"
+
+# prefix every individual _ with an \
+sed -i -e 's/_([^_])/\\_\1/g' "$NEWNAME"
+
+bat "$NEWNAME"
 
 # remove tags section at the front
 sed -i -e 's/tags:.*//g' "$NEWNAME"
@@ -28,11 +32,32 @@ sed -i -e 's/---$//g' "$NEWNAME"
 #remove markdown links
 sed -i -e 's/\[.*\](.*)//g' "$NEWNAME"
 
-# remove html tags
+# remove code block lang declaration
+sed -i -e 's/```.*/```/g' "$NEWNAME"
+
+bat "$NEWNAME"
+
+# add newlines around code block declaration
+sed -i -e 's/``` *$/\n```\n/g' "$NEWNAME"
+
+bat "$NEWNAME"
+
+# replace special HTML tags
 sed -i -e 's/<div id="page-break-after"\/>/\\pagebreak/g' "$NEWNAME"
+sed -i -e 's/<br>/\\newline/g' "$NEWNAME"
+
+# remove html tags
 sed -i -e 's/<[a-zA-Z ]*>\(.*\)<\/[a-zA-Z =]*>/\1/g' "$NEWNAME"
 sed -i -e 's/<.*\/>//g' "$NEWNAME"
+sed -i -e 's/<.*>//g' "$NEWNAME"
+
+# replace arrows
+sed -i -e 's/->/$\\rightarrow$/g' "$NEWNAME"
+sed -i -e 's/<-/$\\leftarrow$/g' "$NEWNAME"
+sed -i -e 's/=>/$\\Rightarrow$/g' "$NEWNAME"
+sed -i -e 's/<=/$\\Leftarrow$/g' "$NEWNAME"
 
+bat "$NEWNAME"
 
 echo "Generating LaTeX file..."
 echo "\documentclass[a4paper, 11pt]{article}