diff --git a/build-utils/fake-lua-src.lua b/build-utils/fake-lua-src.lua
index fe9a8de9..bb494b67 100755
--- a/build-utils/fake-lua-src.lua
+++ b/build-utils/fake-lua-src.lua
@@ -61,7 +61,7 @@ end
 capture = false
 for i, line in ipairs(ilines) do
     if not libname then
-        _, _, libname, libtype = line:find("const struct luaL_reg awesome_(%a+)_(%a+)%[%] =")
+        _, _, libname, libtype = line:find("const struct luaL_reg awesome_(%a+)_(%a+)%[%] ")
         -- Special case
         if not libname then _, _, libname, libtype = line:find("const struct luaL_reg (awesome)_(lib)%[%] =") end
     else
diff --git a/widgets/graph.c b/widgets/graph.c
index 7102a441..bac49de2 100644
--- a/widgets/graph.c
+++ b/widgets/graph.c
@@ -285,7 +285,12 @@ graph_draw(draw_context_t *ctx,
     return w->area.width;
 }
 
-/** Set various graph general properties.
+/** Set various graph general properties:
+ * width, the widget width;
+ * height, the widget height;
+ * bg, the bacground color;
+ * bordercolor, the border color;
+ * grow, left or right where to add plot data.
  * \param L The Lua VM state.
  * \return The number of elements pushed on stack.
  * \luastack
@@ -556,4 +561,12 @@ graph_new(alignment_t align)
     return w;
 }
 
+/* This is used for building documentation. */
+static const struct luaL_reg awesome_graph_meta[] __attribute__ ((unused)) =
+{
+    { "properties_set", luaA_graph_properties_set },
+    { "plot_properties_set", luaA_graph_plot_properties_set },
+    { "plot_data_add", luaA_graph_plot_data_add },
+};
+
 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80
diff --git a/widgets/progressbar.c b/widgets/progressbar.c
index 83b8e87a..a5713472 100644
--- a/widgets/progressbar.c
+++ b/widgets/progressbar.c
@@ -606,4 +606,13 @@ progressbar_new(alignment_t align)
 
     return w;
 }
+
+/* This is used for building documentation. */
+static const struct luaL_reg awesome_progressbar_meta[] __attribute__ ((unused)) =
+{
+    { "properties_set", luaA_progressbar_properties_set },
+    { "bar_properties_set", luaA_progressbar_bar_properties_set },
+    { "bar_data_add", luaA_progressbar_bar_data_add },
+};
+
 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80
diff --git a/widgets/taglist.c b/widgets/taglist.c
index 84937e82..c64528fc 100644
--- a/widgets/taglist.c
+++ b/widgets/taglist.c
@@ -417,4 +417,11 @@ taglist_new(alignment_t align)
     return w;
 }
 
+/* This is used for building documentation. */
+static const struct luaL_reg awesome_taglist_meta[] __attribute__ ((unused)) =
+{
+    { "text_set", luaA_taglist_text_set },
+    { "showempty_set", luaA_taglist_showempty_set }
+};
+
 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80
diff --git a/widgets/tasklist.c b/widgets/tasklist.c
index 129a4243..e2142d58 100644
--- a/widgets/tasklist.c
+++ b/widgets/tasklist.c
@@ -436,4 +436,12 @@ tasklist_new(alignment_t align __attribute__ ((unused)))
     return w;
 }
 
+/* This is used for building documentation. */
+static const struct luaL_reg awesome_tasklist_meta[] __attribute__ ((unused)) =
+{
+    { "text_set", luaA_tasklist_text_set },
+    { "showicons_set", luaA_tasklist_showicons_set },
+    { "show_set", luaA_tasklist_show_set }
+};
+
 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80
diff --git a/widgets/textbox.c b/widgets/textbox.c
index b6739d84..370ab19d 100644
--- a/widgets/textbox.c
+++ b/widgets/textbox.c
@@ -180,4 +180,12 @@ textbox_new(alignment_t align)
 
     return w;
 }
+
+/* This is used for building documentation. */
+static const struct luaL_reg awesome_textbox_meta[] __attribute__ ((unused)) =
+{
+    { "text_set", luaA_textbox_text_set },
+    { "width_set", luaA_textbox_width_set }
+};
+
 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80