I have entered the following text into the wiki markup editor:

sp\-\{date\}\-\{initials\}\-\{##\}\-a\-mysql.sql 
SchemaPatch\_\{date\}\_\{INITIALS\}\_\{##\}.java

When subsequently editing the page containing these two bits of text in the rich text editor the escaping around the hyphens and undescores is lost as follows:

sp-\{date\}-\{initials\}-\{##\}-a-mysql.sql
SchemaPatch_\{date\}_\{INITIALS\}_\{##\}.java

This results in portions of the text being struck through or italicized as follows:

sp-{date}{initials}{##}-a-mysql.sql
SchemaPatch_{date}{INITIALS}{##}.java