Use : for filter case

nnn.1

@@ -146,7 +146,7 @@ To modify match criteria at runtime:
 .br
 - regex to string: press '/' at empty filter prompt
 .br
-- toggle case sensitivity: press '|' at empty filter prompt
+- toggle case sensitivity: press ':' at empty filter prompt
 .Pp
 Common regex use cases:
 .Pp

plugins/nuke

@@ -13,6 +13,7 @@
 #         # export NNN_OPENER=nuke
 #   2. Run nnn with the program option to indicate a CLI opener
 #         nnn -c
+#         # The -c program option overrides config `NNN_USE_EDITOR`
 #   3. nuke can use nnn plugins (e.g. mocplay is used for audio), $PATH is updated.
 #
 # Details:

src/dbg.h

@@ -79,7 +79,7 @@ static void disabledbg(void)
 #define STRINGIFY(x) #x
 #define TOSTRING(x) STRINGIFY(x)
 
-#define DPRINTF_D(x) xprintf(DEBUG_FD, "ln " TOSTRING(__LINE__) ": " #x "=%d\n", x, __LINE__)
+#define DPRINTF_D(x) xprintf(DEBUG_FD, "ln " TOSTRING(__LINE__) ": " #x "=%d\n", x)
 #define DPRINTF_U(x) xprintf(DEBUG_FD, "ln " TOSTRING(__LINE__) ": " #x "=%u\n", x)
 #define DPRINTF_S(x) xprintf(DEBUG_FD, "ln " TOSTRING(__LINE__) ": " #x "=%s\n", x)
 #define DPRINTF_P(x) xprintf(DEBUG_FD, "ln " TOSTRING(__LINE__) ": " #x "=%p\n", x)

src/nnn.c

@@ -129,6 +129,7 @@
 #define READLINE_MAX 128
 #define FILTER '/'
 #define RFILTER '\\'
+#define CASE ':'
 #define MSGWAIT '$'
 #define REGEX_MAX 48
 #define BM_MAX 10
@@ -2011,7 +2012,7 @@ static void showfilterinfo(void)
 {
 	char info[REGEX_MAX];
 
-	snprintf(info, REGEX_MAX - 1, "    %s [/\\], %s [|]",
+	snprintf(info, REGEX_MAX - 1, "    %s [/\\], %s [:]",
 		 (cfg.regex ? "regex" : "str"),
 		 ((fnstrstr == &strcasestr) ? "ic" : "noic"));
 	printinfoln(info);
@@ -2167,7 +2168,7 @@ static int filterentries(char *path, char *lastname)
 				}
 
 				/* Toggle case-sensitivity */
-				if (*ch == '|') {
+				if (*ch == CASE) {
 					fnstrstr = (fnstrstr == &strcasestr) ? &strstr : &strcasestr;
 					regflags ^= REG_ICASE;
 					showfilter(ln);