Misc small updates for this hardly being "new" any more.
* lisp/textmodes/enriched.el (enriched-mode): Doc fix.
* lisp/emacs-lisp/authors.el (authors-renamed-files-alist):
Add enriched.doc -> enriched.txt.
Fixes: debbugs:15947
* src/lread.c (load_path_check): Take path to check as argument.
(load_path_default): New, split from init_lread.
(init_lread): Move calc of default load-path to load_path_default.
Empty elements in EMACSLOADPATH now stand for the default.
(load-path): Doc fix.
* src/emacs.c (decode_env_path): Add option to treat empty elements
as nil rather than ".".
* src/callproc.c (init_callproc_1, init_callproc):
* src/image.c (Vx_bitmap_file_path):
* src/lisp.h (decode_env_path):
* lread.c (Vsource_directory):
Update for new argument spec of decode_env_path.
* leim/Makefile.in (RUN_EMACS): Empty EMACSLOADPATH rather than unsetting.
* lisp/Makefile.in (emacs): Empty EMACSLOADPATH rather than unsetting.
* test/automated/Makefile.in (emacs):
Empty EMACSLOADPATH rather than unsetting.
* doc/emacs/cmdargs.texi (General Variables):
Empty elements in EMACSLOADPATH now mean the default load-path.
* doc/lispref/loading.texi (Library Search):
Empty elements in EMACSLOADPATH now mean the default load-path.
* etc/NEWS: Mention this.
Fixes: debbugs:12100
* lisp/startup.el (command-line-1): Use path-separator with -L.
* test/automated/Makefile.in (PATH_SEPARATOR): New, set by configure.
(EMACSOPT): Use PATH_SEPARATOR.
* doc/emacs/cmdargs.texi (Action Arguments): Use path-separator with -L.
* etc/NEWS: Related edit.
* lisp/org/ob-python.el (org-babel-python-with-earmuffs):
Rename from org-babel-python-with-earmufs. All uses changed.
(org-babel-python-without-earmuffs):
Rename from org-babel-python-without-earmufs. All uses changed.
* doc/lispref/display.texi (Glyphs): Add an index for glyph code.
* src/xdisp.c (syms_of_xdisp): Mention the active display table in doc
string of glyphless-char-display.
* doc/lispref/display.texi (Face Attributes): Document :distant-foreground.
* etc/NEWS: Mention :distant-foreground.
* lisp/faces.el (face-x-resources): Add :distant-foreground.
(region): Use :distant-foreground for gtk and ns.
* src/dispextern.h (lface_attribute_index): Add
LFACE_DISTANT_FOREGROUND_INDEX.
* src/xfaces.c: Declare color_distance.
(QCdistant_foreground): New variable.
(NEAR_SAME_COLOR_THRESHOLD): New define.
(load_color2): New function.
(load_color): Call load_color2.
(load_face_colors): Call load_color2 and if distant-color is specified
calculate distant and use distant-color if colors are near.
(LFACE_DISTANT_FOREGROUND): New define.
(merge_face_ref, Finternal_set_lisp_face_attribute)
(Finternal_get_lisp_face_attribute)
(x_supports_face_attributes_p): Handle distant-foreground similar to
foreground.
(syms_of_xfaces): DEFSYM QCdistant_foreground.
