Add .hgignore as tracked file.

diff --cc ChangeLog
index f060ecc,90249bb..e7a7951
--- 1/ChangeLog
--- 2/ChangeLog
+++ b/ChangeLog
@@@ -1,77 -1,9 +1,83 @@@
+ 2012-09-26  Keith Marshall  <keithmarshall@users.sourceforge.net>
+ 
+       Add .hgignore as tracked file.
+ 
+       * .hgignore: New file.
+ 
 +2012-09-25  Keith Marshall  <keithmarshall@users.sourceforge.net>
 +
 +      Defer generation of version.c until "make" time.
 +
 +      * version.c.in: Move it...
 +      * src/version.c.in: ...to here.
 +      (PACKAGE_NAME, PACKAGE_VERSION, COPYRIGHT_HOLDER, YEARS_OF_ISSUE):
 +      Change substitution field marker character from "@" to "%".
 +
 +      * configure.ac (AC_CONFIG_FILES): Remove version.c
 +
 +      * Makefile.in (TAG_SCRIPT): New macro, factored out from...
 +      (RC_SCRIPT): ...here, whence use it; also use it to implement...
 +      (VERSION_SCRIPT): ...this further new macro; use it in...
 +      (%.c): ...this generic template rule for version.c
 +      (time-stamp, %.time, %.tagged.time, %.tag): New generic build
 +      goals; use them to track package release progression via...
 +      (build.tag): ...this new intermediate; make it a pre-requisite...
 +      (guidata.OBJEXT, version.c): ...of these.
 +
 +2012-09-21  Keith Marshall  <keithmarshall@users.sourceforge.net>
 +
 +      Implement framework for GUI sash window layout controller.
 +
 +      * configure.ac (AC_INIT): Bump version number to 0.6
 +      (CLI_RELEASE_CLASS): New AC_SUBST variable; default to "beta".
 +      (GUI_RELEASE_CLASS): New AC_SUBST variable; default to "alpha".
 +      (SNAPSHOT_CLASS): Recognise as user specified environent variable
 +      override for both CLI_RELEASE_CLASS and GUI_RELEASE_CLASS.
 +      (RC): New AC_CHECK_TOOL substitution variable name; it replaces...
 +      (WINDRES): ...this, as reference name for the resource compiler.
 +      (MINGW_AC_ASSERT_MISSING): Add AC_CHECK_HEADER traps for missing
 +      "lua-dev" and "wtklite-dev" support.
 +
 +      * Makefile.in (CLI_RELEASE_CLASS, GUI_RELEASE_CLASS): Use them.
 +      (BUILD_TAG, RC_SCRIPT, RC_INCLUDES): New macros; define and use...
 +      (RC): ...with this, to implement new target rule for compiling...
 +      (%.rc): ...resource definition files to %.OBJEXT objects.
 +      (GUIMAIN_OBJECTS, GUIMAIN_LIBS): New macros; define and use...
 +      (guimain.EXEEXT): ...to implement build rule for this.
 +      (LIBEXEC_PROGRAMS): Add guimain.EXEEXT
 +      (lastrites.EXEEXT): Use GUI_LDFLAGS.
 +      
 +      * src/guimain.h src/guimain.cpp src/guidata.rc: New files.
 +      * src/pkgview.cpp: New file.
 +
 +2012-09-20  Keith Marshall  <keithmarshall@users.sourceforge.net>
 +
 +      Adjust incorrectly resolved 2012-09-14 merge from master.
 +
 +      * src/Makefile.in: Restore lost reference to guistub.cpp
 +
 +2012-09-14  Keith Marshall  <keithmarshall@users.sourceforge.net>
 +
 +      Implement GUI hooks in "rites of passage" internal API.
 +
 +      * src/pkglock.h: New file; it adds the pkgLock() and pkgRelease()
 +      inline wrapper functions, through which the GUI application acquires
 +      and manages an exclusive access lock for the XML catalogue.
 +
 +      * src/rites.c (lockfile_name): Explicitly cast memory allocated for
 +      the returned name to (char *), so this may be embedded in C++ code.
 +      (pkgInitRites): Factor out lock acquisition failure diagnostics...
 +      (pkgLockFail): ...to this inline helper function; conditionally...
 +      [ifdef GUIMAIN_H]: ...provide one implementation for GUI use...
 +      [ifndef GUIMAIN_H]: ...and an alternative for CLI use.
 +
 +2012-09-14  Keith Marshall  <keithmarshall@users.sourceforge.net>
 +
 +      Be case agnostic when matching shortcut targets.
 +
 +      * scripts/libexec/unlink.js [ref.TargetPath == chklink]: Apply
 +      toLowerCase() on both sides of the comparison.
 +
  2012-09-12  Keith Marshall  <keithmarshall@users.sourceforge.net>
  
        Note relocation of m4 when packaging source distribution.