--- nano/doc/syntax/c.nanorc	2015-12-30 14:06:23.252569068 -0500
+++ c-working.nanorc	2016-01-30 23:55:28.935409078 -0500
@@ -18,17 +18,14 @@
 
 # Strings.  In general you will want your strings and comments to come last,
 # because highlighting rules are applied in the order they are read in.
-color brightyellow "<[^= 	]*>" ""(\\.|[^"])*""
-# Multiline strings.  This regex is VERY resource intensive,
-# and sometimes colours things that shouldn't be coloured.
-###color brightyellow start=""(\\.|[^"])*\\[[:space:]]*$" end="^(\\.|[^"])*""
+color brightyellow "("(\\"|[^"])+"|<[^[:blank:]="\\]+>)"
 
 # Comments.
 color brightblue "//.*"
 color brightblue start="/\*" end="\*/"
 
 # Reminders.
-color ,yellow "(FIXME|TODO|XXX)"
+color yellow "/?\*?/?(FIXME|TODO|XXX)(!|\?|\.)*\*?/?"
 
 # Trailing whitespace.
-color ,green "[[:space:]]+$"
+color green "[[:space:]]+$"