docs: quote 'like this', not `like this'

* doc/automake.texi: Fix the reported warnings and informative messages
from automake to quote 'like this' rather than as `like this'.  Do the
same for comments and some text in our examples.

Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com>

diff --git a/doc/automake.texi b/doc/automake.texi
index 6c83a1376ef580a32398a7c40d5c816e884e6eac..059241d2c84f8c93e48fe79d7ea68567ebb2aba1 100644 (file)
--- a/doc/automake.texi
+++ b/doc/automake.texi
@@ -1455,7 +1455,7 @@ package.
 @example
 ~/amhello % @kbd{cat README}
 This is a demonstration package for GNU Automake.
-Type `info Automake' to read the Automake manual.
+Type 'info Automake' to read the Automake manual.
 @end example
 
 @item
@@ -1497,9 +1497,9 @@ command as follows:
 
 @example
 ~/amhello % @kbd{autoreconf --install}
-configure.ac: installing `./install-sh'
-configure.ac: installing `./missing'
-src/Makefile.am: installing `./depcomp'
+configure.ac: installing './install-sh'
+configure.ac: installing './missing'
+src/Makefile.am: installing './depcomp'
 @end example
 
 At this point the build system is complete.
@@ -1840,8 +1840,8 @@ Also, using more complex macro in target names can cause trouble:
 % @kbd{cat Makefile.am}
 $(FOO:=x): bar
 % @kbd{automake}
-Makefile.am:1: bad characters in variable name `$(FOO'
-Makefile.am:1: `:='-style assignments are not portable
+Makefile.am:1: bad characters in variable name '$(FOO'
+Makefile.am:1: ':='-style assignments are not portable
 @end example
 
 @cindex Make targets, overriding
@@ -5590,7 +5590,7 @@ replace) @file{foo.$(OBJEXT)}, and this cannot be avoided.
 Therefore, when Automake detects this situation it will complain
 with a message such as
 @example
-object `foo.$(OBJEXT)' created both with libtool and without
+object 'foo.$(OBJEXT)' created both with libtool and without
 @end example
 
 A workaround for this issue is to ensure that these two objects get
@@ -8955,7 +8955,7 @@ HP-UX's @command{/bin/sh},
 @example
 AM_TESTS_ENVIRONMENT = \
 ## Some environment initializations are kept in a separate shell
-## file `tests-env.sh', which can make it easier to also run tests
+## file 'tests-env.sh', which can make it easier to also run tests
 ## from the command line.
   . $(srcdir)/tests-env.sh; \
 ## On Solaris, prefer more POSIX-compliant versions of the standard
@@ -9059,7 +9059,7 @@ rules that run the test scripts listed in @code{TESTS}, and, for each
 such script, save its output in a corresponding @file{.log} file and
 its results (and other ``metadata'', @pxref{API for Custom Test Drivers})
 in a corresponding @file{.trs} (as in @b{T}est @b{R}e@b{S}ults) file.
-@c We choose the `.trs' extension also because, at the time of writing,
+@c We choose the '.trs' extension also because, at the time of writing,
 @c it isn't already used for other significant purposes; see e.g.:
 @c   - http://filext.com/file-extension/trs
 @c   - http://www.file-extensions.org/search/?searchstring=trs