Add -s/--case-sensitive flag.

This flag overrides both --smart-case and --ignore-case.

Closes #124.

doc/rg.1

@@ -70,6 +70,7 @@ Show this usage message.
 .TP
 .B \-i, \-\-ignore\-case
 Case insensitive search.
+Overridden by \-\-case\-sensitive.
 .RS
 .RE
 .TP
@@ -209,6 +210,12 @@ Follow symlinks.
 .RS
 .RE
 .TP
+.B \-\-maxdepth \f[I]NUM\f[]
+Descend at most NUM directories below the command line arguments.
+A value of zero searches only the starting\-points themselves.
+.RS
+.RE
+.TP
 .B \-\-mmap
 Search using memory maps when possible.
 This is enabled by default when ripgrep thinks it will be faster.
@@ -252,9 +259,16 @@ Alias for \-\-color=always \-\-heading \-n.
 .RS
 .RE
 .TP
+.B \-s, \-\-case\-sensitive
+Search case sensitively.
+This overrides \-\-ignore\-case and \-\-smart\-case.
+.RS
+.RE
+.TP
 .B \-S, \-\-smart\-case
 Search case insensitively if the pattern is all lowercase.
 Search case sensitively otherwise.
+This is overridden by either \-\-case\-sensitive or \-\-ignore\-case.
 .RS
 .RE
 .TP

doc/rg.1.md

@@ -49,7 +49,7 @@ the raw speed of grep.
 : Show this usage message.
 
 -i, --ignore-case
-: Case insensitive search.
+: Case insensitive search. Overridden by --case-sensitive.
 
 -n, --line-number
 : Show line numbers (1-based). This is enabled by default at a tty.
@@ -168,9 +168,13 @@ the raw speed of grep.
 -p, --pretty
 : Alias for --color=always --heading -n.
 
+-s, --case-sensitive
+: Search case sensitively. This overrides --ignore-case and --smart-case.
+
 -S, --smart-case
 : Search case insensitively if the pattern is all lowercase.
-  Search case sensitively otherwise.
+  Search case sensitively otherwise. This is overridden by either
+  --case-sensitive or --ignore-case.
 
 -j, --threads *ARG*
 : The number of threads to use. Defaults to the number of logical CPUs