Add comments.

24 files changed, 58 insertions, 0 deletions

diff --git a/.gitignore b/.gitignore
index 08fc8f1..0388ac9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,7 @@
+# Patterns for all subdirectories: all kinds of automatic backup files.
 *.orig
 *.rej
 *~
 .#*
 \#*#
+
diff --git a/build-aux/.gitignore b/build-aux/.gitignore
index cfdcc32..436a42b 100644
--- a/build-aux/.gitignore
+++ b/build-aux/.gitignore
@@ -1,6 +1,10 @@
+# Files brought in by gnulib-tool:
 /config.rpath
 /link-warning.h
+
+# Files brought in by "automake --add-missing --copy":
 /compile
 /depcomp
 /install-sh
 /missing
+
diff --git a/gnulib-m4/.gitignore b/gnulib-m4/.gitignore
index 4ebf8e5..260b5bb 100644
--- a/gnulib-m4/.gitignore
+++ b/gnulib-m4/.gitignore
@@ -1,3 +1,4 @@
+# Files brought in by gnulib-tool:
 /00gnulib.m4
 /alloca.m4
 /codeset.m4
@@ -74,3 +75,4 @@
 /wint_t.m4
 /xalloc.m4
 /xsize.m4
+
diff --git a/lib/.gitignore b/lib/.gitignore
index 50b5e32..ebd986d 100644
--- a/lib/.gitignore
+++ b/lib/.gitignore
@@ -1,3 +1,4 @@
+# Files brought in by gnulib-tool:
 /Makefile.gnulib
 /alloca.in.h
 /array-mergesort.h
@@ -91,7 +92,10 @@
 /wctype.in.h
 /wcwidth.c
 /xsize.h
+
+# Files generated by gperf:
 /iconv_open-aix.h
 /iconv_open-hpux.h
 /iconv_open-irix.h
 /iconv_open-osf.h
+
diff --git a/lib/unicase/.gitignore b/lib/unicase/.gitignore
index 4da59b6..9be0e71 100644
--- a/lib/unicase/.gitignore
+++ b/lib/unicase/.gitignore
@@ -1,3 +1,4 @@
+# Files brought in by gnulib-tool:
 /casefold.h
 /invariant.h
 /locale-language.c
@@ -68,5 +69,8 @@
 /ulc-casecoll.c
 /ulc-casexfrm.c
 /unicasemap.h
+
+# Files generated by gperf:
 /locale-languages.h
 /special-casing-table.h
+
diff --git a/lib/uniconv/.gitignore b/lib/uniconv/.gitignore
index f41ddef..0f5e40a 100644
--- a/lib/uniconv/.gitignore
+++ b/lib/uniconv/.gitignore
@@ -1,3 +1,4 @@
+# Files brought in by gnulib-tool:
 /u-conv-from-enc.h
 /u-conv-to-enc.h
 /u-strconv-from-enc.h
@@ -20,3 +21,4 @@
 /u8-strconv-from-locale.c
 /u8-strconv-to-enc.c
 /u8-strconv-to-locale.c
+
diff --git a/lib/unictype/.gitignore b/lib/unictype/.gitignore
index c520f54..53b7d2b 100644
--- a/lib/unictype/.gitignore
+++ b/lib/unictype/.gitignore
@@ -1,3 +1,4 @@
+# Files brought in by gnulib-tool:
 /bidi_byname.c
 /bidi_name.c
 /bidi_of.c
@@ -295,5 +296,8 @@
 /sy_java_ident.c
 /sy_java_ident.h
 /sy_java_whitespace.c
+
+# Files generated by gperf:
 /pr_byname.h
 /scripts_byname.h
+
diff --git a/lib/unilbrk/.gitignore b/lib/unilbrk/.gitignore
index b732a25..c8d5040 100644
--- a/lib/unilbrk/.gitignore
+++ b/lib/unilbrk/.gitignore
@@ -1,3 +1,4 @@
+# Files brought in by gnulib-tool:
 /lbrkprop1.h
 /lbrkprop2.h
 /lbrktables.c
@@ -12,3 +13,4 @@
 /ulc-common.h
 /ulc-possible-linebreaks.c
 /ulc-width-linebreaks.c
+
diff --git a/lib/uniname/.gitignore b/lib/uniname/.gitignore
index 07f80ad..722eb64 100644
--- a/lib/uniname/.gitignore
+++ b/lib/uniname/.gitignore
@@ -1,3 +1,5 @@
+# Files brought in by gnulib-tool:
 /gen-uninames.lisp
 /uniname.c
 /uninames.h
+
diff --git a/lib/uninorm/.gitignore b/lib/uninorm/.gitignore
index 5470c06..7b0558f 100644
--- a/lib/uninorm/.gitignore
+++ b/lib/uninorm/.gitignore
@@ -1,3 +1,4 @@
+# Files brought in by gnulib-tool:
 /canonical-decomposition.c
 /compat-decomposition.c
 /composition-table.gperf
@@ -32,4 +33,7 @@
 /u8-normcoll.c
 /u8-normxfrm.c
 /uninorm-filter.c
+
+# Files generated by gperf:
 /composition-table.h
+
diff --git a/lib/unistdio/.gitignore b/lib/unistdio/.gitignore
index 0d2398e..a9f4010 100644
--- a/lib/unistdio/.gitignore
+++ b/lib/unistdio/.gitignore
@@ -1,3 +1,4 @@
+# Files brought in by gnulib-tool:
 /u-asnprintf.h
 /u-asprintf.h
 /u-printf-args.c
@@ -70,3 +71,4 @@
 /ulc-vfprintf.c
 /ulc-vsnprintf.c
 /ulc-vsprintf.c
+
diff --git a/lib/unistr/.gitignore b/lib/unistr/.gitignore
index 83bd024..ab30ad1 100644
--- a/lib/unistr/.gitignore
+++ b/lib/unistr/.gitignore
@@ -1,3 +1,4 @@
+# Files brought in by gnulib-tool:
 /u-cmp2.h
 /u-cpy-alloc.h
 /u-cpy.h
@@ -149,3 +150,4 @@
 /u8-to-u32.c
 /u8-uctomb-aux.c
 /u8-uctomb.c
+
diff --git a/lib/uniwbrk/.gitignore b/lib/uniwbrk/.gitignore
index 4023afa..96c3dcb 100644
--- a/lib/uniwbrk/.gitignore
+++ b/lib/uniwbrk/.gitignore
@@ -1,3 +1,4 @@
+# Files brought in by gnulib-tool:
 /u-wordbreaks.h
 /u16-wordbreaks.c
 /u32-wordbreaks.c
@@ -7,3 +8,4 @@
 /wbrktable.c
 /wbrktable.h
 /wordbreak-property.c
+
diff --git a/lib/uniwidth/.gitignore b/lib/uniwidth/.gitignore
index 459d8a3..7087509 100644
--- a/lib/uniwidth/.gitignore
+++ b/lib/uniwidth/.gitignore
@@ -1,3 +1,4 @@
+# Files brought in by gnulib-tool:
 /cjk.h
 /u16-strwidth.c
 /u16-width.c
@@ -6,3 +7,4 @@
 /u8-strwidth.c
 /u8-width.c
 /width.c
+
diff --git a/tests/.gitignore b/tests/.gitignore
index 7591207..65695eb 100644
--- a/tests/.gitignore
+++ b/tests/.gitignore
@@ -1,3 +1,4 @@
+# Files brought in by gnulib-tool:
 /Makefile.gnulib
 /error.c
 /error.h
@@ -56,3 +57,4 @@
 /xalloc-die.c
 /xalloc.h
 /xmalloc.c
+
diff --git a/tests/unicase/.gitignore b/tests/unicase/.gitignore
index 2cb6e74..1feb936 100644
--- a/tests/unicase/.gitignore
+++ b/tests/unicase/.gitignore
@@ -1,3 +1,4 @@
+# Files brought in by gnulib-tool:
 /test-casecmp.h
 /test-is-cased.h
 /test-is-casefolded.h
@@ -50,3 +51,4 @@
 /test-ulc-casecoll.c
 /test-ulc-casecoll1.sh
 /test-ulc-casecoll2.sh
+
diff --git a/tests/uniconv/.gitignore b/tests/uniconv/.gitignore
index 5d04af3..8773330 100644
--- a/tests/uniconv/.gitignore
+++ b/tests/uniconv/.gitignore
@@ -1,3 +1,4 @@
+# Files brought in by gnulib-tool:
 /test-u16-conv-from-enc.c
 /test-u16-conv-to-enc.c
 /test-u16-strconv-from-enc.c
@@ -10,3 +11,4 @@
 /test-u8-conv-to-enc.c
 /test-u8-strconv-from-enc.c
 /test-u8-strconv-to-enc.c
+
diff --git a/tests/unictype/.gitignore b/tests/unictype/.gitignore
index 57779f8..65a7b37 100644
--- a/tests/unictype/.gitignore
+++ b/tests/unictype/.gitignore
@@ -1,3 +1,4 @@
+# Files brought in by gnulib-tool:
 /test-bidi_byname.c
 /test-bidi_name.c
 /test-bidi_of.c
@@ -158,3 +159,4 @@
 /test-sy_c_whitespace.c
 /test-sy_java_ident.c
 /test-sy_java_whitespace.c
+
diff --git a/tests/unilbrk/.gitignore b/tests/unilbrk/.gitignore
index 636dd14..ea1fe68 100644
--- a/tests/unilbrk/.gitignore
+++ b/tests/unilbrk/.gitignore
@@ -1,3 +1,4 @@
+# Files brought in by gnulib-tool:
 /test-u16-possible-linebreaks.c
 /test-u16-width-linebreaks.c
 /test-u32-possible-linebreaks.c
@@ -6,3 +7,4 @@
 /test-u8-width-linebreaks.c
 /test-ulc-possible-linebreaks.c
 /test-ulc-width-linebreaks.c
+
diff --git a/tests/uniname/.gitignore b/tests/uniname/.gitignore
index c2508a2..cac3f6c 100644
--- a/tests/uniname/.gitignore
+++ b/tests/uniname/.gitignore
@@ -1,3 +1,5 @@
+# Files brought in by gnulib-tool:
 /UnicodeDataNames.txt
 /test-uninames.c
 /test-uninames.sh
+
diff --git a/tests/uninorm/.gitignore b/tests/uninorm/.gitignore
index 714abb3..638de7e 100644
--- a/tests/uninorm/.gitignore
+++ b/tests/uninorm/.gitignore
@@ -1,3 +1,4 @@
+# Files brought in by gnulib-tool:
 /NormalizationTest.txt
 /test-canonical-decomposition.c
 /test-compat-decomposition.c
@@ -40,3 +41,4 @@
 /test-u8-normcmp.h
 /test-u8-normcoll.c
 /test-uninorm-filter-nfc.c
+
diff --git a/tests/unistdio/.gitignore b/tests/unistdio/.gitignore
index 55c2407..59879fd 100644
--- a/tests/unistdio/.gitignore
+++ b/tests/unistdio/.gitignore
@@ -1,3 +1,4 @@
+# Files brought in by gnulib-tool:
 /test-u16-asnprintf1.c
 /test-u16-asnprintf1.h
 /test-u16-printf1.h
@@ -42,3 +43,4 @@
 /test-ulc-vasprintf1.c
 /test-ulc-vsnprintf1.c
 /test-ulc-vsprintf1.c
+
diff --git a/tests/uniwbrk/.gitignore b/tests/uniwbrk/.gitignore
index 52496c8..1e49ae0 100644
--- a/tests/uniwbrk/.gitignore
+++ b/tests/uniwbrk/.gitignore
@@ -1,5 +1,7 @@
+# Files brought in by gnulib-tool:
 /test-u16-wordbreaks.c
 /test-u32-wordbreaks.c
 /test-u8-wordbreaks.c
 /test-ulc-wordbreaks.c
 /test-ulc-wordbreaks.sh
+
diff --git a/tests/uniwidth/.gitignore b/tests/uniwidth/.gitignore
index df0d32f..f2e446e 100644
--- a/tests/uniwidth/.gitignore
+++ b/tests/uniwidth/.gitignore
@@ -1,3 +1,4 @@
+# Files brought in by gnulib-tool:
 /test-u16-strwidth.c
 /test-u16-width.c
 /test-u32-strwidth.c
@@ -7,3 +8,4 @@
 /test-uc_width.c
 /test-uc_width2.c
 /test-uc_width2.sh
+