Closes #1357: Option names documented by :rst:dir:option are now again allowed to

not start with a dash or slash, and referencing them will work correctly.

CHANGES

@@ -8,6 +8,8 @@ Bugs fixed
   the full relative path and not the basename.
 * PR#212: Fix traceback with autodoc and ``__init__`` methods without docstring.
 * PR#213: Fix a missing import in the setup command.
+* #1357: Option names documented by :rst:dir:`option` are now again allowed to
+  not start with a dash or slash, and referencing them will work correctly.
 
 Documentation
 -------------

doc/domains.rst

@@ -632,16 +632,20 @@ There is a set of directives allowing documenting command-line programs:
 
 .. rst:directive:: .. option:: name args, name args, ...
 
-   Describes a command line option or switch.  Option argument names should be
-   enclosed in angle brackets.  Example::
+   Describes a command line argument or switch.  Option argument names should be
+   enclosed in angle brackets.  Examples::
+
+      .. option:: dest_dir
+
+         Destination directory.
 
       .. option:: -m <module>, --module <module>
 
          Run a module as a script.
 
-   The directive will create a cross-reference target named after the *first*
-   option, referencable by :rst:role:`option` (in the example case, you'd use
-   something like ``:option:`-m```).
+   The directive will create cross-reference targets for the given options,
+   referencable by :rst:role:`option` (in the example case, you'd use something
+   like ``:option:`dest_dir```, ``:option:`-m```, or ``:option:`--module```).
 
 .. rst:directive:: .. envvar:: name
 

sphinx/domains/std.py

@@ -27,7 +27,7 @@ from sphinx.util.compat import Directive
 
 
 # RE for option descriptions
-option_desc_re = re.compile(r'((?:/|-|--)[-_a-zA-Z0-9]+)(\s*.*)')
+option_desc_re = re.compile(r'((?:/|-|--)?[-_a-zA-Z0-9]+)(\s*.*)')
 
 
 class GenericObject(ObjectDescription):
@@ -143,7 +143,7 @@ class Cmdoption(ObjectDescription):
                 self.env.warn(
                     self.env.docname,
                     'Malformed option description %r, should '
-                    'look like "-opt args", "--opt args" or '
+                    'look like "opt", "-opt args", "--opt args" or '
                     '"/opt args"' % potential_option, self.lineno)
                 continue
             optname, args = m.groups()
@@ -153,25 +153,33 @@ class Cmdoption(ObjectDescription):
             signode += addnodes.desc_addname(args, args)
             if not count:
                 firstname = optname
+                signode['allnames'] = [optname]
+            else:
+                signode['allnames'].append(optname)
             count += 1
         if not firstname:
             raise ValueError
         return firstname
 
-    def add_target_and_index(self, name, sig, signode):
-        targetname = name.replace('/', '-')
+    def add_target_and_index(self, firstname, sig, signode):
         currprogram = self.env.temp_data.get('std:program')
-        if currprogram:
-            targetname = '-' + currprogram + targetname
-        targetname = 'cmdoption' + targetname
-        signode['ids'].append(targetname)
-        self.state.document.note_explicit_target(signode)
-        self.indexnode['entries'].append(
-            ('pair', _('%scommand line option; %s') %
-             ((currprogram and currprogram + ' ' or ''), sig),
-             targetname, ''))
-        self.env.domaindata['std']['progoptions'][currprogram, name] = \
-            self.env.docname, targetname
+        for optname in signode.get('allnames', []):
+            targetname = optname.replace('/', '-')
+            if not targetname.startswith('-'):
+                targetname = '-arg-' + targetname
+            if currprogram:
+                targetname = '-' + currprogram + targetname
+            targetname = 'cmdoption' + targetname
+            signode['ids'].append(targetname)
+            self.state.document.note_explicit_target(signode)
+            self.env.domaindata['std']['progoptions'][currprogram, optname] = \
+                self.env.docname, targetname
+            # create only one index entry for the whole option
+            if optname == firstname:
+                self.indexnode['entries'].append(
+                    ('pair', _('%scommand line option; %s') %
+                     ((currprogram and currprogram + ' ' or ''), sig),
+                     targetname, ''))
 
 
 class Program(Directive):