Old code: $\widetilde{\mathit{abcd}}\widehat{\mathit{abcd}}\overrightarrow{\mathit{abcd}}$

New code: $\widehat{\mathit{abcd}}\widetilde{\mathit{abcd}}\overrightarrow{\mathit{abcd}}$

U+2192 RIGHTWARDS ARROW: $\overrightarrow{\mathit{abcd}}$