* commit 'origin/340_inrorrect_handling_of_wildcards': (21 commits)
Fixed work with copying/moving files by mask into subdirs
Fixed bug with copying files/dirs into directory with 'wild' name (such as ${}, \1, etc.)
Fixed patterns escaping of wild filenames (such as \1, ${1}, \U, etc).
Removed unused debug code from src/filegui.c
Refactoring: renamed variable 'loop' into 'curr_index'
Changed defined constants to static const char[] declarations.
Fixed declarations of functions. May be, need to split with previous commmit...
Reworked functions strutils_shell_escape and strutils_shell_unescape
Renamed functions shell_escape (to strutils_shell_escape) and shell_unescape (to strutils_shell_unescape)
Just identation of some source files
Renamed function shell_is_char_escaped to strutils_is_char_escaped; removed function mc_search_is_char_escaped
Moved 'escape' and 'unescape' strings functions from src/util.[ch] into src/strescape.[ch]
Fixed crash if replace group ${N} used into replace string
Some cosmetic optimisation for less code :)
Fixed searched token in source file mask.
Fixed NULL acertion if replacement don't correct
Handle new search replace behaviour into src/file.c. Also fixed filemask into src/filegui.c
Search Replace now handled \U,\u,\L,\l and \E modificators.
Just identation of regex.c and search.h
search engine: Added new syntax for replace tokenks.
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