set min padding to 0

Author: emilykl

src/components/shapes/attributes.js

@@ -262,9 +262,9 @@ module.exports = templatedArray('shape', {
             editType: 'calc+arraydraw',
             description: [
                 'Sets the angle at which the label text is drawn',
-                'with respect to the horizontal. For lines, the default textangle is `auto`,',
-                'which displays the text at the same angle as the line. For all other shapes,',
-                'the default textangle is 0 (horizontal).'
+                'with respect to the horizontal. For lines, angle `auto`',
+                'is the same angle as the line. For all other shapes,',
+                'angle `auto` is horizontal.'
             ].join(' ')
         },
         xanchor: {
@@ -299,6 +299,7 @@ module.exports = templatedArray('shape', {
         padding: {
             valType: 'number',
             dflt: 3,
+            min: 0,
             editType: 'arraydraw',
             description: 'Sets padding between edge of label and xanchor / yanchor.'
         },

src/components/shapes/draw_newshape/attributes.js

@@ -152,6 +152,7 @@ module.exports = {
             padding: {
                 valType: 'number',
                 dflt: 3,
+                min: 0,
                 editType: 'none',
                 description: 'Sets padding between edge of label and xanchor / yanchor.'
             },