fix docstring from #5651

[sagetrac-mvngu]

That rebased patch at #5651 contains doctrings that doesn't conform with conventions for formatting docstrings. In particular, in sage/plot/bar_chart.py:

131    Extra options will get passed on to show(), as long as they are valid:

In sage/plot/bezier_path.py:

171    Extra options will get passed on to show(), as long as they are valid:

In sage/plot/matrix_plot.py:

58    Extra options will get passed on to show(), as long as they are valid:
62    Extra options will get passed on to show(), as long as they are valid:

In sage/plot/polygon.py:

255    Extra options will get passed on to show(), as long as they are valid:

CC: @sagetrac-wcauchois @loefflerd

Component: documentation

Author: Minh Van Nguyen

Reviewer: David Loeffler

Merged: Sage 4.1.1.alpha1

Issue created by migration from https://trac.sagemath.org/ticket/6573

[sagetrac-mvngu]

based on Sage 4.1.1.alpha0

[sagetrac-mvngu]

Author: Minh Van Nguyen

[sagetrac-mvngu]

comment:1

Attachment: trac_6573-docstring-fix.patch.gz

David: Can I ask you to review this?

[loefflerd]

Attachment: trac_6573-review.patch.gz

[loefflerd]

Reviewer: David Loeffler

[loefflerd]

comment:2

Looks fine to me; but it looks like the Bezier paths module isn't in the reference manual. I've uploaded a tiny patch that fixes this.

[sagetrac-mvngu]

comment:3

Merged both patches.

[sagetrac-mvngu]

Merged: Sage 4.1.1.alpha1