the source. Type @kbd{C-x `} to step through the offending lines one by
one (starting with Emacs 22, you can also use @kbd{M-g M-p} and
@kbd{M-g M-n} to go to the previous and next matches directly). Click
-@kbd{Mouse-2} or press @key{RET} on a message text in the
+@kbd{mouse-2} or press @key{RET} on a message text in the
@file{*compilation*} buffer to go to the line whose number is mentioned
in that message.
Not all modifiers are permitted in all situations. @key{Hyper},
@key{Super}, and @key{Alt} are not available on Unix character
terminals. Non-@acronym{ASCII} keys and mouse events (e.g., @kbd{C-=} and
-@kbd{Mouse-1}) also fall under this category.
+@kbd{mouse-1}) also fall under this category.
@end itemize