Sharepoint | Error Parsing file @ site theme

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Recentemente deparei-me com o seguinte erro ao tentar abrir o menu de selecção de temas (sharepoint -> acções, definições do site -> tema do site)

"An error occurred while parsing EntityName. Line 22, position 25.
Resolução de problemas do Windows SharePoint Services."

Reparei mais tarde que tinha efectuado alterações ao ficheiro
C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\12\TEMPLATE\LAYOUTS\2070\SPTHEMES.XML

e pior, abri o ficheiro com o wordpad, adicionei um tema, e salvei o ficheiro. o problema é que ao fazer isto, gravei-o com a codificação do wordpad, que não suporta alguns dos caracteres com acentos existentes. logo, bastou abrir o spthemes e retirar os caracteres em erro

nota: aconselho todos a fazerem backups deste e de todos os ficheiros antes de os alterar, bem como dos temas e sites criados, uma vez que toda a informação do sharepoint é guardada em bases de dados e não em ficheiros físicos. estes são apenas gerados em tempo de execução com o objectivo de obter maiores desempenhos proporcionados pela indexação de tabelas

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