[cinttypes.syn] Improve indexing for macros

Author: AlisdairM

source/iostreams.tex

@@ -18999,28 +18999,6 @@
 \indexlibraryglobal{SCNoFASTN}%
 \indexlibraryglobal{SCNuFASTN}%
 \indexlibraryglobal{SCNxFASTN}%
-\indexlibraryglobal{PRIdMAX}%
-\indexlibraryglobal{PRIiMAX}%
-\indexlibraryglobal{PRIoMAX}%
-\indexlibraryglobal{PRIuMAX}%
-\indexlibraryglobal{PRIxMAX}%
-\indexlibraryglobal{PRIXMAX}%
-\indexlibraryglobal{SCNdMAX}%
-\indexlibraryglobal{SCNiMAX}%
-\indexlibraryglobal{SCNoMAX}%
-\indexlibraryglobal{SCNuMAX}%
-\indexlibraryglobal{SCNxMAX}%
-\indexlibraryglobal{PRIdPTR}%
-\indexlibraryglobal{PRIiPTR}%
-\indexlibraryglobal{PRIoPTR}%
-\indexlibraryglobal{PRIuPTR}%
-\indexlibraryglobal{PRIxPTR}%
-\indexlibraryglobal{PRIXPTR}%
-\indexlibraryglobal{SCNdPTR}%
-\indexlibraryglobal{SCNiPTR}%
-\indexlibraryglobal{SCNoPTR}%
-\indexlibraryglobal{SCNuPTR}%
-\indexlibraryglobal{SCNxPTR}%
 \begin{codeblock}
 #include <cstdint>  // see \ref{cstdint.syn}
 
@@ -19071,28 +19049,28 @@
 #define SCNoFAST@\placeholdernc{N}@ @\seebelow@
 #define SCNuFAST@\placeholdernc{N}@ @\seebelow@
 #define SCNxFAST@\placeholdernc{N}@ @\seebelow@
-#define PRIdMAX @\seebelow@
-#define PRIiMAX @\seebelow@
-#define PRIoMAX @\seebelow@
-#define PRIuMAX @\seebelow@
-#define PRIxMAX @\seebelow@
-#define PRIXMAX @\seebelow@
-#define SCNdMAX @\seebelow@
-#define SCNiMAX @\seebelow@
-#define SCNoMAX @\seebelow@
-#define SCNuMAX @\seebelow@
-#define SCNxMAX @\seebelow@
-#define PRIdPTR @\seebelow@
-#define PRIiPTR @\seebelow@
-#define PRIoPTR @\seebelow@
-#define PRIuPTR @\seebelow@
-#define PRIxPTR @\seebelow@
-#define PRIXPTR @\seebelow@
-#define SCNdPTR @\seebelow@
-#define SCNiPTR @\seebelow@
-#define SCNoPTR @\seebelow@
-#define SCNuPTR @\seebelow@
-#define SCNxPTR @\seebelow@
+#define @\libmacro{PRIdMAX}@ @\seebelow@
+#define @\libmacro{PRIiMAX}@ @\seebelow@
+#define @\libmacro{PRIoMAX}@ @\seebelow@
+#define @\libmacro{PRIuMAX}@ @\seebelow@
+#define @\libmacro{PRIxMAX}@ @\seebelow@
+#define @\libmacro{PRIXMAX}@ @\seebelow@
+#define @\libmacro{SCNdMAX}@ @\seebelow@
+#define @\libmacro{SCNiMAX}@ @\seebelow@
+#define @\libmacro{SCNoMAX}@ @\seebelow@
+#define @\libmacro{SCNuMAX}@ @\seebelow@
+#define @\libmacro{SCNxMAX}@ @\seebelow@
+#define @\libmacro{PRIdPTR}@ @\seebelow@
+#define @\libmacro{PRIiPTR}@ @\seebelow@
+#define @\libmacro{PRIoPTR}@ @\seebelow@
+#define @\libmacro{PRIuPTR}@ @\seebelow@
+#define @\libmacro{PRIxPTR}@ @\seebelow@
+#define @\libmacro{PRIXPTR}@ @\seebelow@
+#define @\libmacro{SCNdPTR}@ @\seebelow@
+#define @\libmacro{SCNiPTR}@ @\seebelow@
+#define @\libmacro{SCNoPTR}@ @\seebelow@
+#define @\libmacro{SCNuPTR}@ @\seebelow@
+#define @\libmacro{SCNxPTR}@ @\seebelow@
 \end{codeblock}
 
 \pnum