remove str isvalue

str/Makefile

@@ -1,2 +1 @@
 str: str.c
-	$(CC) -include isvalue.c -o $@ $@.c

str/isvalue.c

@@ -1,2 +0,0 @@
-#define _isvalue_c
-int isvalue(int c){ return 1; }

str/packaging.md

@@ -14,9 +14,9 @@
  
 - `str.c`
 	- A single C file that builds to a single executable, which should be
-		named `simexec`.
+		named `str`.
 
-- `simexec`
+- `str`
 	- Program binary. Should be placed in a user-accessible binaries
 		directory.
 
@@ -30,11 +30,11 @@
 ## Compilation
 
 ```
-cc -include isvalue.c -o simexec simexec.c
+cc -o str str.c
 ```
 
 Or without `<sysexits.h>`:
 
 ```
-cc -DEX_USAGE=1 -include isvalue.c -o simexec simexec.c
+cc -DEX_USAGE=1 -o str str.c
 ```

str/str.1

@@ -12,23 +12,29 @@ str
 
 .SH DESCRIPTION
 
-Str tests each character in an arbitrary quantity of string arguments against the function of the same name within ctype(3).
+Str tests each character in an arbitrary quantity of string arguments against
+the function of the same name within ctype(3).
 
 .SH DIAGNOSTICS
 
 Str exits successfully if all tests pass and unsuccessfully if a test failed.
 .PP
-Str will exit unsuccessfully if a string is empty, as none of its contents passed the test.
+Str will exit unsuccessfully if a string is empty, as none of its contents
+passed the test.
 .PP
-Str will print a message to standard error and exit unsuccessfully if used improperly.
+Str will print a message to standard error and exit unsuccessfully if used
+improperly.
 
-.SH EXTENSIONS FROM CTYPE
+.SH ISVALUE
 
-Using the ctype "isvalue", which does not exist within ctype(3), will make str exit successfully as long as the given string(s) have non-zero length.
+Str used to have an "isvalue" type as an extension to ctype(3). This was
+removed in favor of using strcmp(1) to compare strings against the empty string
+('').
 
 .SH BUGS
 
-There's no way of knowing which argument failed the test without re-testing arguments individually.
+There's no way of knowing which argument failed the test without re-testing
+arguments individually.
 .PP
 If a character in a string isn't valid ASCII str will exit unsuccessfully.
 

str/str.c

@@ -24,9 +24,6 @@ static struct {
 	{ "ispunct", ispunct },
 	{ "isspace", isspace },
 	{ "isupper", isupper }
-#if defined _isvalue_c
-,	{ "isvalue", isvalue }
-#endif
 };
 
 int main(int argc, char *argv[]){