This should get the ./temacs continuation lines right.
s#^Installing git hooks...# Installing git hooks...#
s#^Running # Running #
s#^Configured for # Configured for #
-s#^./temacs # ./temacs #
-s#^Dumping under the name# Dumping under the name#
+s#^./temacs.*# \\& #
' | \
egrep --line-buffered -v "^make|\
^Loading|\
^Adding name|\
^Dump mode|\
^Dumping finger|\
+^Dumping under the name|\
^Byte counts|\
^Reloc counts|\
^Pure-hashed|\