Updated and sorted .gitignore.

.gitignore

@@ -1,47 +1,61 @@
-INSTALL
-Makefile.in
-aclocal.m4
-ar-lib
-compile
-config.guess
-config.sub
-configure
-depcomp
-install-sh
-ltmain.sh
-m4/
-missing
-test-driver
+# Public .gitignore file for PCRE2
 
-Makefile
-config.log
-config.status
-libpcre2-*.pc
-libtool
-pcre2-config
-src/.deps
-src/config.h
-src/pcre2.h
-src/stamp-h1
-
-.libs
-*.o
-*.lo
 *.a
+*.lo
 *.la
-src/.dirstamp
-src/pcre2_chartables.c
+*.pc
+*.o
+*~
 
-pcre2grep
-pcre2test
-pcre2_jit_test
+.deps
+.libs
 
+INSTALL
+Makefile
+Makefile.in
 RunGrepTest.log
 RunGrepTest.trs
 RunTest.log
 RunTest.trs
+
+aclocal.m4
+ar-lib
+compile
+config.guess
+config.log
+config.status
+config.sub
+configure
+depcomp
+install-sh
+libtool
+ltmain.sh
+missing
+pcre2-config
+pcre2_dftables
+pcre2_jit_test
 pcre2_jit_test.log
 pcre2_jit_test.trs
+pcre2demo
+pcre2fuzzcheck
+pcre2grep
+pcre2test
+test-driver
 test-suite.log
 
-*~
+m4/ltoptions.m4
+m4/ltsugar.m4
+m4/ltversion.m4
+m4/lt~obsolete.m4
+
+maint/ucptest
+maint/utf8
+
+src/.deps
+src/.dirstamp
+src/config.h
+src/pcre2.h
+src/pcre2_chartables.c
+src/stamp-h1
+
+# End