Document utop(1) options in manual page

Add all options as decribed by the output by --help to the manual page.
This was done manually and some automation would be nicer.

Signed-off-by: Christian Lindig <christian.lindig@citrix.com>

man/utop.1

@@ -98,11 +98,115 @@ with options available for
 .BR ocaml (1).
 
 A commonly used option is
-\fB--require\fI package\fR
+\fB-require\fI package\fR
 to load \fIpackage\fR into the execution environment. It is equivalent
 to using \fb#require\fR from inside
 .BR utop (1).
 
+.PP
+.TP
+.BI -absname
+Show absolute filenames in error message
+.TP
+.BI -I " dir"
+Add \fIdir\fR to the list of include directories
+.TP
+.BI -init " file"
+Load \fIfile\fR instead of default init file
+.TP
+.BI -labels
+Use commuting label mode
+.TP
+.BI -no-app-funct
+Deactivate applicative functors
+.TP
+.BI -noassert
+Do not compile assertion checks
+.TP
+.BI -nolabels
+Ignore non-optional labels in types
+.TP
+.BI -nostdlib
+Do not add default directory to the list of include directories
+.TP
+.BI -ppx " command"
+Pipe abstract syntax trees through preprocessor \fIcommand\fR
+.TP
+.BI -principal
+Check principality of type inference
+.TP
+.BI -safe-string
+Make strings immutable
+.TP
+.BI -short-paths
+Shorten paths in types (the default)
+.TP
+.BI -no-short-paths
+Do not shorten paths in types
+.TP
+.BI -rectypes
+Allow arbitrary recursive types
+.TP
+.BI -stdin
+Read script from standard input
+.TP
+.BI -strict-sequence
+Left-hand part of a sequence must have type unit
+.TP
+.BI -unsafe
+Do not compile bounds checking on array and string access
+.TP
+.BI -version
+Print version and exit
+.TP
+.BI -vnum
+Print version number and exit
+.TP
+.BI -w " list"
+Enable or disable warnings according to \fIlist\fR:
+.TP
+.BI -warn-error " list"
+Enable or disable error status for warnings according to \fIlist\fR
+See option \fB-w\fR for the syntax of \fIlist\fR.
+Default setting is \fB-a+31\fR
+.TP
+.BI -warn-help
+Show description of warning numbers
+.TP
+.BI -emacs
+Run in emacs mode
+.TP
+.BI -hide-reserved
+Hide identifiers starting with a '_' (the default)
+.TP
+.BI -show-reserved
+Show identifiers starting with a '_'
+.TP
+.BI -no-implicit-bindings
+Don't add implicit bindings for expressions (the default)
+.TP
+.BI -implicit-bindings
+Add implicit bindings: \fIexpr\fR;; -> let _0 = \fIexpr\fR;;
+.TP
+.BI -no-autoload
+Disable autoloading of files in 
+.I $OCAML_TOPLEVEL_PATH/autoload
+.TP
+.BI -require " package"
+Load this package
+.TP
+.BI -dparsetree
+Dump OCaml AST after rewriting
+.TP
+.BI -dsource
+Dump OCaml source after rewriting
+.TP
+.BI -help
+Display this list of options
+.TP
+.BI --help
+Display this list of options
+
 .SH FILES
 .I ~/.config/utop/init.ml
 .RS