Remove INPUT_COMMON_BASE

We no longer store readline commands as characters, so there's no need to
reserve character space for them.

src/common.cpp

@@ -2382,8 +2382,7 @@ char **make_null_terminated_array(const std::vector<std::string> &lst) {
 // TODO: Actually implement the replacement as documented above.
 bool fish_reserved_codepoint(wchar_t c) {
     return (c >= RESERVED_CHAR_BASE && c < RESERVED_CHAR_END) ||
-           (c >= ENCODE_DIRECT_BASE && c < ENCODE_DIRECT_END) ||
-           (c >= INPUT_COMMON_BASE && c < INPUT_COMMON_END);
+           (c >= ENCODE_DIRECT_BASE && c < ENCODE_DIRECT_END);
 }
 
 /// Reopen stdin, stdout and/or stderr on /dev/null. This is invoked when we find that our tty has

src/common.h

@@ -87,8 +87,6 @@ typedef std::vector<wcstring> wcstring_list_t;
 // on Mac OS X. See http://www.unicode.org/faq/private_use.html.
 #define ENCODE_DIRECT_BASE (wchar_t)0xF600
 #define ENCODE_DIRECT_END (ENCODE_DIRECT_BASE + 256)
-#define INPUT_COMMON_BASE (wchar_t)0xF700
-#define INPUT_COMMON_END (INPUT_COMMON_BASE + 64)
 
 // NAME_MAX is not defined on Solaris
 #if !defined(NAME_MAX)

src/input_common.h

@@ -10,7 +10,7 @@
 #include "maybe.h"
 
 enum class readline_cmd_t {
-    beginning_of_line = INPUT_COMMON_BASE,
+    beginning_of_line,
     end_of_line,
     forward_char,
     backward_char,