Fix issue #311 (Ambiguous newlines in --doc output)

README.md

@@ -156,7 +156,7 @@ When run with the --doc or -d option, DCD will attempt to display documentation
 comments associated with the symbol at the cursor position. In the case of
 functions there can be more than one documentation comment associated with a
 symbol. One doc comment will be printed per line. Newlines within the doc
-comments will be replaced with "\n".
+comments will be replaced with "\n", and backslashes escaped as "\\".
 #### Example output
 	An example doc comment\nParams: a = first param\n    Returns: nothing
 	An example doc comment\nParams: a = first param\n     b = second param\n    Returns: nothing

src/server/autocomplete.d

@@ -88,6 +88,10 @@ public AutocompleteResponse getDoc(const AutocompleteRequest request,
 			{
 				switch (c)
 				{
+				case '\\':
+					outputRange.put('\\');
+					outputRange.put('\\');
+					break;
 				case '\n':
 					outputRange.put('\\');
 					outputRange.put('n');

tests/tc024/expected8.txt

@@ -0,0 +1 @@
+This is not a newline: \\n But this is:\nThis is not a newline either: $(D '\\n')

tests/tc024/file.d

@@ -28,3 +28,12 @@ unittest
 	g;
 	cool;
 }
+
+/** This is not a newline: \n But this is: */
+/** This is not a newline either: $(D '\n') */
+int f;
+
+unittest
+{
+	f;
+}

tests/tc024/run.sh

@@ -21,3 +21,6 @@ diff actual6.txt expected6.txt
 
 ../../bin/dcd-client $1 file.d -c313 -d> actual7.txt
 diff actual7.txt expected7.txt
+
+../../bin/dcd-client $1 file.d -c432 -d> actual8.txt
+diff actual8.txt expected8.txt