Changes to grep/TODO

[Charles Levert]

Index: grep/TODO
diff -u grep/TODO:1.4 grep/TODO:1.5
--- grep/TODO:1.4       Thu Feb  8 05:33:57 2001
+++ grep/TODO   Fri May  6 01:22:46 2005
@@ -1,3 +1,16 @@
+Get sane performance with UTF-8 locales.
+
+1) rewrite the configure.in script, perhaps also Makefile.am
+2) set up for gnulib-tool --import
+3) improve the test infrastructure
+4) check in the patches for the sync of dfa.c with GNU awk
+5) other small patches which wait for a test case
+6) process the Fedora/Red Hat patches
+7) some _minimal_ cleanup of the grep(), grepdir(), recursion
+   (the "main loop") and fix --directories=read
+
+##
+
 Write Texinfo documentation for grep.  The manual page would be a good
 place to start, but Info documents are also supposed to contain a
 tutorial and examples.
@@ -30,9 +43,15 @@
 claim that his algo. is faster then Boyer-More ????
 Worth Checking.
 
-Take a look at cgrep (Context grep) seems like nice work.
-Take a look at sgrep (Struct grep).
-Take a look at agrep (Approximate grep), from glimpse.
+Check <http://flame.cs.dal.ca/~taa/greps.html>.
+Take a look at:
+   -- cgrep (Context grep) seems like nice work;
+   -- sgrep (Struct grep);
+   -- agrep (Approximate grep), from glimpse;
+   -- nr-grep (Nondeterministic reverse grep);
+   -- ggrep (Grouse grep);
+   -- grep.py (Python grep);
+   -- pcregrep (from Perl-Compatible Regular Expressions library).
 Can we merge ?
 
 POSIX Compliance see p10003.x
@@ -40,3 +59,35 @@
 Moving away from GNU regex API for POSIX regex API.
 
 Better and faster !!
+
+##
+
+Check POSIX:
+   -- Volume "Base Definitions (XBD)",
+      Chapter "Regular Expressions"
+      and in particular
+      Section "Regular Expression General Requirements"
+      and its paragraph about caseless matching.
+
+Check the Unicode Standard:
+   -- Chapter 3 ("Conformance"),
+      Section 3.13 ("Default Case Operations")
+      and the toCasefold() case conversion operation;
+   -- Chapter 4 ("Character Properties"),
+      Section 4.2 ("Case -- Normative")
+      and the SpecialCasing.txt and CaseFolding.txt
+      files from the Unicode Database;
+   -- Chapter 5 ("Implementation Guidelines"),
+      Section 5.18 ("Case Mappings"),
+      Subsection "Caseless Matching".
+
+Check Unicode Technical Standard #18 ("Unicode Regular Expressions").
+Check Unicode Standard Annex #15 ("Unicode Normalization Forms").
+
+##
+
+Before every release:
+   -- drop dfa.[ch] into a copy of gawk and run "make check";
+   -- send pot file to the Translation Project to get fresh po files;
+   -- get up-to-date version of ABOUT-NLS;
+   -- update NEWS.