Documentation cleanup: escape Objective-C @ symbols in Doxygen comments.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158495 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Parse/ParseExpr.cpp b/lib/Parse/ParseExpr.cpp
index 2a1fba6..cc5e193 100644
--- a/lib/Parse/ParseExpr.cpp
+++ b/lib/Parse/ParseExpr.cpp
@@ -182,8 +182,8 @@
 
 /// This routine is called when the '@' is seen and consumed.
 /// Current token is an Identifier and is not a 'try'. This
-/// routine is necessary to disambiguate @try-statement from,
-/// for example, @encode-expression.
+/// routine is necessary to disambiguate \@try-statement from,
+/// for example, \@encode-expression.
 ///
 ExprResult
 Parser::ParseExpressionWithLeadingAt(SourceLocation AtLoc) {
@@ -531,9 +531,9 @@
 /// [GNU]   '__builtin_types_compatible_p' '(' type-name ',' type-name ')'
 /// [GNU]   '__null'
 /// [OBJC]  '[' objc-message-expr ']'
-/// [OBJC]  '@selector' '(' objc-selector-arg ')'
-/// [OBJC]  '@protocol' '(' identifier ')'
-/// [OBJC]  '@encode' '(' type-name ')'
+/// [OBJC]  '\@selector' '(' objc-selector-arg ')'
+/// [OBJC]  '\@protocol' '(' identifier ')'
+/// [OBJC]  '\@encode' '(' type-name ')'
 /// [OBJC]  objc-string-literal
 /// [C++]   simple-type-specifier '(' expression-list[opt] ')'      [C++ 5.2.3]
 /// [C++11] simple-type-specifier braced-init-list                  [C++11 5.2.3]