strace.1.in: reformat mpers support matrix table

In order to make it much less wider.

* strace.1.in (.SH MULTIPLE PERSONALITY SUPPORT): Move additional text
in x86_64 line to notes under the table, clarify PowerPC specifics.

diff --git a/strace.1.in b/strace.1.in
index 98885913f0374d9ec363033e69b3db4e37945386..2fabfcc881acabf22a1353464b8abad6243ae335 100644 (file)
--- a/strace.1.in
+++ b/strace.1.in
@@ -1028,14 +1028,29 @@ allbox;
 lb lb
 l l.
 Architecture   ABIs supported
-x86_64 i386, x32 (when built as an x86_64 application); i386 (when built as an x32 application)
+x86_64 i386, x32 [1]; i386 [2]
 AArch64        ARM 32-bit EABI
-PowerPC 64-bit BE      PowerPC 32-bit
+PowerPC 64-bit [3]     PowerPC 32-bit
 RISC-V 64-bit  RISC-V 32-bit
 s390x  s390
 SPARC 64-bit   SPARC 32-bit
 TILE 64-bit    TILE 32-bit
 .TE
+.RS 0
+.TP 5
+[1]
+When
+.B strace
+is built as an x86_64 application
+.TQ
+[2]
+When
+.B strace
+is built as an x32 application
+.TQ
+[3]
+Big endian only
+.RE
 .PP
 This support is optional and relies on ability to generate and parse structure
 definitions during the build time.