FMSLogo Code

Fix a copy&paste error that prevented the POSXYZ example from running.

Add PERSPECTIVE to the example for ZCOR
Without it, SETZ does nothing and the output won't match what's shown in the example.

Simplify the example for FENCE.
The first set of instructions in WRAP did not contribute to demonstrating anything.

Fix some copy&paste errors in DISTANCEXYZ:
* First sentence referred to DISTANCE, not DISTANCEXYZ
* Second example did not include DISTANCEXYZ

Translate the Turtle Motion Queries procedures to Spanish.
This translation was based on Rosario Ruiz's translation of the MSWLogo manual.

Change «éstas» to «estas» when used as a demonstrative adjective.
Using an accent mark is only permissible for demonstrative pronouns.

Move the example description from a comment in the code listing to a surrounding <para>.
This was done for improved conformance with the style guide.

Move the example descriptions from a comment in the code listing to a surrounding <para>.
This was done for better conformance to the style guide.

Change to improve conformance to style guide:
* Use UPPERCASE for all Logo procedure names.
* Move the example description outside the code listing.

Add a missing line break to improve readability of source XML.