Change the spelling of "wordregex".

Use "wordRegex" for configuration variable names.  Use "word_regex" for C
language tokens.

Signed-off-by: Boyd Stephen Smith Jr. <bss@iguanasuicide.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Documentation/config.txt

@@ -639,7 +639,7 @@ diff.suppress-blank-empty::
 	A boolean to inhibit the standard behavior of printing a space
 	before each empty output line. Defaults to false.
 
-diff.wordregex::
+diff.wordRegex::
 	A POSIX Extended Regular Expression used to determine what is a "word"
 	when performing word-by-word difference calculations.  Character
 	sequences that match the regular expression are "words", all other

Documentation/gitattributes.txt

@@ -341,14 +341,14 @@ Customizing word diff
 
 You can customize the rules that `git diff --color-words` uses to
 split words in a line, by specifying an appropriate regular expression
-in the "diff.*.wordregex" configuration variable.  For example, in TeX
+in the "diff.*.wordRegex" configuration variable.  For example, in TeX
 a backslash followed by a sequence of letters forms a command, but
 several such commands can be run together without intervening
 whitespace.  To separate them, use a regular expression such as
 
 ------------------------
 [diff "tex"]
-	wordregex = "\\\\[a-zA-Z]+|[{}]|\\\\.|[^\\{}[:space:]]+"
+	wordRegex = "\\\\[a-zA-Z]+|[{}]|\\\\.|[^\\{}[:space:]]+"
 ------------------------
 
 A built-in pattern is provided for all languages listed in the

t/t4034-diff-words.sh

@@ -86,7 +86,7 @@ test_expect_success 'word diff with a regular expression' '
 '
 
 test_expect_success 'set a diff driver' '
-	git config diff.testdriver.wordregex "[^[:space:]]" &&
+	git config diff.testdriver.wordRegex "[^[:space:]]" &&
 	cat <<EOF > .gitattributes
 pre diff=testdriver
 post diff=testdriver
@@ -121,8 +121,8 @@ test_expect_success 'use regex supplied by driver' '
 
 '
 
-test_expect_success 'set diff.wordregex option' '
-	git config diff.wordregex "[[:alnum:]]+"
+test_expect_success 'set diff.wordRegex option' '
+	git config diff.wordRegex "[[:alnum:]]+"
 '
 
 cp expect.letter-runs-are-words expect
@@ -138,7 +138,7 @@ test_expect_success '.gitattributes override config' '
 '
 
 test_expect_success 'remove diff driver regex' '
-	git config --unset diff.testdriver.wordregex
+	git config --unset diff.testdriver.wordRegex
 '
 
 cat > expect <<\EOF

userdiff.c

@@ -6,8 +6,8 @@ static struct userdiff_driver *drivers;
 static int ndrivers;
 static int drivers_alloc;
 
-#define PATTERNS(name, pattern, wordregex)			\
-	{ name, NULL, -1, { pattern, REG_EXTENDED }, wordregex }
+#define PATTERNS(name, pattern, word_regex)			\
+	{ name, NULL, -1, { pattern, REG_EXTENDED }, word_regex }
 static struct userdiff_driver builtin_drivers[] = {
 PATTERNS("html", "^[ \t]*(<[Hh][1-6][ \t].*>.*)$",
 	 "[^<>= \t]+|[^[:space:]]|[\x80-\xff]+"),