fix format and HTML problems with 1988/robison/index.html

1988/robison/README.md

@@ -41,7 +41,7 @@ This program shows that C has many unnecessary constructs, in fact
 only `while`,`--`, and `>=` are required.  (The two assignments at
 the beginning could be avoided if `atoi(3)` was rewritten with this
 new paradigm.)  Note that the lack of both the controversial `goto`
-and assignment statements makes the meaning crystal clear.  The current\
+and assignment statements makes the meaning crystal clear.  The current
 ANSI committee should look into this practical simplification of C.